Weather in Shoreham – January 2020
Mild and Rather Dry
Temperatures
The average maximum temperature during January 2020 in Shoreham was 9.3 Celsius (49F), and that was over 1 Celsius (<2F) above normal for the time of year. The average minimum temperature was 5.4 Celsius (42F), and that was nearly 2 Celsius (3.5 F) above the January normal.
The highest temperature recorded during the month was 11.9 Celsius (54F) on both the 12th and 14th, but there were 10 other days when the maximum was above 10 Celsius (50F), including 4 days with highs above 11 Celsius (52F). The first half of the month was mildest, with only 2 of these milder days occurring after the 16th; the 30th and 31st, with highs of 10.4 Celsius (50F) and 10.5 Celsius (52F) respectively. There were no cold days during January, although 10 days had maxima below 8 Celsius (46F), including 8 consecutive days commencing on the 18th. The other 2 days were the 1st and 10th. Only 3 of these cooler days had highs below 7 Celsius (45F). They were the 21st, 22nd and 24th, with the lowest maximum, 6.7 Celsius (44F), occurring on the 22nd.
Several mild nights occurred, mainly early in the month, and on 2 occasions minimum temperatures were 10 Celsius (50F) or higher. On the 3rd, a low of 10.0 (50F) was recorded, with 10.2 Celsius (50F) measured on the 8th. A further 9 nights had minima above 7 Celsius (45F), including 5 out of 6 nights from the 12th to 17th, and 4 of the last 6 nights of the month. There were a few rather cold nights, and on 7 mornings minima below 3 Celsius (37F) were measured. On the 4th a low of 2.2 Celsius (36F) occurred, with 1.5 Celsius (34F) logged on the 29th. The other 5 nights were consecutive, beginning on the 18th, and all of them had minima below 1 Celsius (34F). The lowest temperature was minus 1.1 Celsius (30F) on the 19th.
The sea temperature was mainly 9 Celsius (48F), but dropped to 8 Celsius (46F) for a while during the third week.
Frost
A total of 2 air frosts were recorded during January. The first was on the 19th, and the second was on the 21st, when minus 0.7 Celsius (31F) was recorded. There were 9 grass frosts during January. Most of them were slight, but grass frosts occurred on 5 consecutive nights, starting on the 18th, and on 4 of these nights grass temperatures were minus 4.4 Celsius (24F) or lower. The lowest temperature was minus 6.1 Celsius (22F) on the 19th.
Rain
Rainfall in January amounted to 40.4 millimetres (1.6 ins.). This was about 20% below average. However, there were 21 days of measurable rain, and that was 4 days above average. Only 2 completely dry days occurred during the first 17 days of the new year. Even so, daily amounts were generally small, with just 3 days, the 13th, 14th and 16th, having totals above 2 millimetres (0.08 ins.). The 13th and 16th each had 4.2 millimetres (0.16 ins.). whilst the 14th managed 6.2 millimetres (0.24 ins.) making it the wettest day of the month. No rain fell between the 18th and 25th as pressure rose to a record high. In Shoreham, a reading of 1049.2 millibars occurred on the 19th, with the only comparable value occurring at Bexhill in 1882 when 1049.3 millibars were measured. On the same day this year, the pressure exceeded 1050 millibars in parts of Wales, and southwest and central southern England. The last week of January became unsettled again, and although much of the rain was light, the 26th had 5 millimetres (0.2 ins.) of rain, with 4.4 millimetres (0.18 ins.) falling on the 27th.
Hail
Small hail was observed in Shoreham during squally rain on the afternoon of the 27th and again during a light rain and hail shower on the following afternoon.
Thunder
No thunder was heard in Shoreham in January.
Snow
There was no sleet or snow observed in Shoreham during January.
Wind
The generally changeable and mild month led to a predominance of southwesterly winds again, these accounting for more than half the daily readings. As in December, there were twice as many days with southwesterly winds as compared to those from a northwesterly direction Breezes from other directions were largely absent. The first half of the month and the last week of January had the strongest winds, and at Shoreham Airport, there was a gust of 33 knots (38 mph) from the southwest on the morning of the 12th. with 41 knots (46 mph) from a similar direction on the evening of the 13th. The 14th was windy all day, with gusts peaking at 43 knots (49 mph) in the evening. The windy weather continued into the early hours of the 15th when 40 knots (46 mph) were recorded. A westerly wind gusted to 31 knots (35 mph) early in the afternoon of the 17th. After a break, brisk winds returned on the evening of the 27th when 35 knots (40 mph) occurred, with 37 knots (42 mph) logged on the afternoon of the 28th.
Fog
The 1st, 7th, 8th and 9th were very misty at times, as was the 30th, but on the morning of the 31st the mist thickened into fog for a while.
Statistics for January 2020
| Reporting Station | Highest Temp | Lowest Temp | Rain Total (mm) | Wettest | Rain days |
| Shoreham Airport | 12.4 | -2.1 | 51 | 9 | 20 |
| Thorney Island | 11.8 | -3.3 | 68 | 16 | 22 |
| Gatwick A/P | 12.4 | -4.1 | 79 | 16 | 22 |
| Herstmonceux | 12.4 | -1.4 | 76 | 19 | 20 |
| Bournemouth (Hurn) | 13.1 | -4.8 | 102 | 24 | 22 |
| Middle Wallop | 12.9 | -3.4 | 112 | 28 | 21 |
| Dieppe | 13.9 | -3.3 | 44 | 12 | 17 |
A New Record
20th January 2020
The pressure rose to 1049 millibars last night. This was the highest in this area for at least 80 years, and possibly a lot longer. The pressure just exceeded 1050 millibars over much of Wales and southwest England The pressure was higher than this in England 88 years ago, and the UK record stands at 1053.6 millibars in Aberdeen on 31st January 1902.
Weather in Shoreham – December 2019
Mild and Rather Wet
Temperatures
The average maximum temperature during December 2019 in Shoreham was 9.6 Celsius (50F), and that was over 1 Celsius (<2F) above normal for the time of year. The average minimum temperature was 4.7 Celsius (41F), and that was under 1 Celsius above the December normal.
The highest temperature recorded during the month was 12.4 Celsius (54F) on the 19th, but there were 12 other days when the maximum was above 10 Celsius (50F), including 4 days with highs above 11 Celsius (52F). There were a further 10 days when the temperature exceeded 9 Celsius, and cold days were few and far between. The first 4 days of the month had minimum temperatures below 8 Celsius (46F), but there was only 1 other day below this figure before the end of the year. On the 2nd a high of 6.3 Celsius (43F) occurred, the only day of the month with a minimum below 7 Celsius (45F).
No especially mild nights were noted during December, but on 2 occasions the temperature stayed above 10 Celsius (50F). On both the 6th and 19th the minimum temperature was 10.3 Celsius (50F). There were 2 more nights with minima above 9 Celsius (48F), and a further 4 with lows above 7 Celsius (45F). Night-time temperatures were variable throughout the month, although the lowest values were generally during the first fortnight of December. On 9 occasions the temperature fell below 3 Celsius (37F), but only 3 of these colder nights occurred after the 12th. The first 12 nights of December had 6 nights with minima below 1 Celsius (34F), but with only 1 of these nights having a low under minus 1 Celsius (30F). On the 5th, minus 2.4 Celsius (28F) was measured, the coldest night of the month.
The sea temperature slowly fell from 10 or 11 Celsius (50-52F) at the beginning of the month to 9 Celsius (48F) by the third week. where it remained for the rest of December.
Frost
A total of 3 air frosts were recorded during December. Apart from on the 5th, air temperatures dipped below freezing on both the 10th and 12th. However, frost was very slight with lows of minus 0.3 Celsius (32F) and 0.2 Celsius (32F) respectively. There were 13 grass frosts during the month, and although 6 of these occurred after mid month, they were slight, with grass minima staying above minus 3 Celsius (27F). Grass lows were under minus 3 on 4 nights earlier in the month, with the lowest reading of minus 4.4 Celsius (24F) occurring on the 5th.
Rain
A total of 97.8 millimetres (3.9 ins.) of rain fell during December and that was about 25% above the monthly average. There were 21 days of measurable rain, and that was around 5 days above normal for December. No measurable rain fell on the first 4 days of the month, but then the 9th was the sole dry day until the 27th. Initially rain was not particularly heavy, but over 6 millimetres (0.25ins.) fell on 7th with a further 8 millimetres (0.3 ins.) on the 12th. In the week before Christmas spells of rain falling on the totally saturated ground led to extensive flooding on the 21st. Although amounts were not remarkable, there were nearly 9 millimetres (0.35 ins.) on the 16th, over 8 millimetres (0.3 ins.) on the 18th, and 17.6 millimetres (0.7 ins.) on the 19th. This was topped up by nearly 7 millimetres (0.3 ins.) on the 19th and close on 9 millimetres (0.35 ins.) on the 21st. Thereafter, rain was lighter, although 7 millimetres (0.3 ins.) were recorded on the 26th. The last 5 days of month were dry apart from 0.2 millimetres (0.01 ins) of dew on the last day of the month.
Hail
Small hail was observed in Shoreham during a mid-afternoon shower on the 11th.
Thunder
No thunder was heard in Shoreham in December.
Snow
There was no sleet or snow observed in Shoreham during December.
Wind
Southwesterly and northwesterly winds predominated during December with twice as many sou’westers as nor’westers. Early and late in the month pressure was relatively high and winds were mainly light or moderate, but the second and third weeks were very changeable and cyclonic with winds strong at times. At Shoreham Airport, gusts exceeded 30 knots (34 mph) during the 6th, peaking at 33 knots (38 mph), with 39 knots (44 mph) on the evening of the 8th, with 41 knots (47 mph) occurring overnight into the 9th. A gust of 44 knots (50 mph) occurred on the passage of a cold front during the evening of the 10th, with blustery showers creating a gust of 37 knots (42 mph) around midday on the 11th. In a very breezy period, gusts between 34 and 39 knots (39-45 mph) occurred on each of the following 4 days. Southwesterly gusts reached 34 knots (39 mph) early on the 21st. Apart from gusts of 33 knots (38 mph) on the afternoon of the 26th, there were no more gusts exceeding 30 knots (34 mph) during the remainder of the month.
Fog
On the 30th there was fog until after mid morning.
Statistics for November 2019
| Reporting Station | Highest Temp | Lowest Temp | Rain Total (mm) | Wettest | Rain days |
| Shoreham Airport | 12.7 | -3.4 | 123 | 26 | 23 |
| Thorney Island | 11.9 | -2.6 | 125 | 16 | 24 |
| Gatwick Airport | 13.0 | -4.9 | 147 | 24 | 23 |
| Herstmonceux | 11.9 | -1.8 | 152 | 28 | 25 |
| Bournemouth (Hurn) | 13.1 | -4.7 | 144 | 19 | 22 |
| Middle Wallop | 12.4 | -4.4 | 140 | 28 | 24 |
| Dieppe | 14.7 | -1.6 | 98 | 16 | 24 |
Weather in Shoreham – November 2019
Rather Cold and Damp
Temperatures
The average maximum temperature during November 2019 in Shoreham was 10.3 Celsius (50F), and that was about 0.5 Celsius (1F) below normal for the time of year. Daytime temperatures were, on average, the lowest in November since 2010. The average minimum temperature was 5.8 Celsius (42F), and that was only very slightly below the November normal.
The highest temperature recorded during the month was 15.1 Celsius (59F) on the 1st, but only 1 other reading above 13 Celsius (55F) occurred; this was on the 3rd when 13.2 Celsius (56F) was recorded. However, 12.9 Celsius (55F) was measured on both the 2nd and 26th. Highs exceeded 10 Celsius (50F) on a further 10 occasions during November with all these milder days occurring from the 1st to the 10th, as well as from the 22nd to the 28th. There were no particularly cold days during November, but there were 7 days when the temperature stayed below 9 Celsius (48F). These colder temperatures occurred between the 14th and 17th, on the 20th, and on the last 2 days of the month. The lowest maximum was 7.4 Celsius (45F) on the 14th.
No especially mild nights were logged during November, but on 3 nights the temperature stayed above 10 Celsius (50F). The first 2 nights of the month had minima of 10.2 Celsius (50F) and 11.6 Celsius (53F) respectively, with 10.4 Celsius (50F) recorded on the 26th. Only 12 other nights had minima above 5 Celsius (41F), with most of these milder nights occurring during the first and fourth weeks. The second and third weeks had some of the colder nights, but only 5 nights had minima below 3 Celsius (37F), with just 2 of these colder nights having minima below 1 Celsius (34F). The lowest temperature was minus 1.4 Celsius (30F) on the 19th, although a minimum of 0.1 Celsius (32F) was recorded on the last night of the month.
The sea temperature steadily fell from 13 Celsius (55F) at the beginning of November to 10 or 11 Celsius (50-52F) by the end of the month.
Frost
There was 1 air frost during November (the 19th), but 8 grass frosts occurred. Apart from the 30th, when minus 2.8 Celsius (27F) was recorded, all the grass frosts were sandwiched between the 8th and 19th. The grass frosts were mostly very slight with only 2 further nights measuring temperatures below minus 2 Celsius (28F). The 9th had a grass low of minus 2.2 Celsius (28F), with minus 4.4 Celsius (24F) occurring on the 19th.
Rain
A total of 100.8 millimetres (4 ins.) of rain fell during November and that was about 15% above the monthly average. There were 21 days of measurable rain, and that was around 5 days above normal for November. The month got off to a very wet start with nearly 5 millimetres (0.2 ins.) of rain falling on the 1st and 17.4 millimetres (0.7 ins.) on the 2nd. A further 9.4 millimetres (0.4 ins.) fell on the 4th, and by the end of the first week over 41 millimetres (1.6 ins.) of rain had fallen. Over 11 millimetres (0.4 ins.) fell on the 13th and rain fell for most of the day on the 15th. However, no measurable rain fell between the 16th and 20th. The very changeable weather then continued with over 5 millimetres (0.2 ins.) recorded on the 23rd, 26th and 27th. However, the last 2 days of the month were dry.
Hail
No hail was observed in Shoreham during November.
Thunder
No thunder was heard in Shoreham in November.
Snow
There was no sleet or snow observed in Shoreham during November.
Wind
Southwesterly winds only occurred on 16% of the days during November, with double that total blowing from the northwest. In a very cyclonic month (the average pressure was only just above 1000 mb) it was not surprising that there was also a fair representation of winds from both southeast and northeast. The 2nd was a particularly windy day, and at Shoreham Airport southwesterly gusts of 38 knots (43 mph) late on the evening of the 1st, steadily increased during the night and peaked late in the morning of the 2nd at 57 knots (65 mph), but with gusts not falling below 30 knots (34 mph) until late in the evening. Unusually for an autumn month, no further gusts above 30 knots (34 mph) were recorded during the remainder of the month.
Fog
There was no fog observed in this part of Shoreham during November, although it was very misty at times on the 1st.
Statistics for November 2019
| Reporting Station | Highest Temp | Lowest Temp | Rain Total (mm) | Wettest | Rain days |
| Shoreham Airport | 15.1 | -2.7 | 133 | 19 | 24 |
| Thorney Island | 14.7 | -2.5 | 113 | 14 | 24 |
| Gatwick Airport | 15.0 | -3.7 | 130 | 19 | 27 |
| Herstmonceux | 15.0 | -1.9 | 187 | 25 | 26 |
| Bournemouth (Hurn) | 15.5 | -3.8 | 106 | 14 | 25 |
| Middle Wallop | 15.1 | -2.9 | 99 | 18 | 26 |
| Dieppe | 16.4 | 0.1 | 141 | 26 | 24 |
Weather in Shoreham – October 2019
Changeable and Wet
Temperatures
The average maximum temperature during October 2019 in Shoreham was 14.9 Celsius (59F), and that was very close to normal for the time of year. The average minimum temperature was 9.6 Celsius (50F), and that was also very close to the October normal.
The highest temperature recorded during the month was 18.4 Celsius (65F) on the 1st, but there were highs of 17.3 Celsius (63F) and 17.4 Celsius (63F) on the 6th and 13th respectively. There were a further 9 days when the temperature exceeded 16 Celsius (61F), but only 2 of these milder days occurred after mid month. There were 9 days when the temperature failed to reach 13 Celsius (55F), but only 1 day, the 12th with a high of 12.7 Celsius (55F), occurred before mid month. A chilly end to the month led to 4 out of the last 5 days having minima below 12 Celsius (54F). The lowest temperature was 12.3 Celsius (54F) on the 28th, the coolest day of the month.
There were 3 notably mild nights during October. The 1st, with a low of 15.8 Celsius (60F), the 11th, with minimum of 15.3 Celsius (60F), and the 26th, when the temperature failed to fall below 15.4 Celsius (60F). There were no further minima above 13 Celsius (55F) and only 3 lows between 12 and 13 Celsius (54-55F). Of the 17 days with minima below 10 Celsius (50F), not surprisingly, only 6 of these cooler nights occurred before mid month. On 5 of these colder nights the temperature dipped below 6 Celsius (43F), but only 2 had minima below 5 Celsius (41F). On the 3rd a minimum of 4.0 Celsius (39F) occurred, with 2.6 Celsius (37F) recorded on the 28th.
The sea temperature steadily fell from 17 Celsius (63F) at the beginning of October to 13 or 14 Celsius (55-57F) by the end of the month.
Frost
There was no air frost during October and just 1 grass frost. On the 28th a grass minimum temperature of minus 1.1 Celsius (30F) occurred.
Rain
There were 89.4 millimetres (3.5 ins.) of rain during October and that was about 70% above the monthly average. There were 23 days of measurable rain, and that was around 6 days above normal for October. Apart from on the 2nd, rain fell on each of the first 18 days of the month. Much of the rain was fairly light during the first week, but it then became heavier, and on the 11th 7.6 millimetres (0.3 ins.) were recorded, with 8.8 millimetres (0.35 ins.) falling on the following day. Heavy showers produced 16 millimetres (0.65 ins.) on the 17th with further showers giving 8.2 millimetres on 18th. From the 19th, the weather quietened down somewhat with only 6 further rain days during the remainder of the month. In this period, a total of 21.6 millimetres (0.8 ins.) fell, but it was largely because of 2 bouts of heavy rain. On the 24th 9 millimetres (0.35 ins.) fell, and on the 26th 8.2 millmetres (0.3 ins.) were measured.
Hail
No hail was observed in Shoreham during October.
Thunder
Showers were accompanied by thunder on 3 days during October. On the 14th there was 1 rumble of thunder during the late afternoon. Several rumbles of thunder were heard early in the evening of the 17th, and on the following day there was thunder early in the morning and late in the afternoon.
Snow
There was no sleet or snow observed in Shoreham during October.
Wind
On a majority of days, the wind blew from between southwest and northwest and with the unsettled nature of the month it was often quite strong. At Shoreham Airport, southwesterly winds gusted to 32 knots (37 mph) overnight on the 4th, followed by a similar gust from a similar direction late on the afternoon of the 8th. Southwesterly winds became strong on the afternoon of the 10th and stayed brisk until the evening of the 11th. The highest gusts were 32 knots (37 mph) on the 10th and 39 knots (45 mph) late on the morning of the 11th. Southwesterly winds gusted to 37 knots (42 mph) early on the afternoon of the 13th, with 35 knots (40 mph) and 39 knots (45 mph) measured during the evening and afternoon of the 17th and 18th respectively. The strong winds continued into the early hours of the 19th when 34 knots (39 mph) were recorded. The next bout of strong southwest winds commenced on the afternoon of the 25th and abated during the evening of the 26th. Gusts of 33 knots (38 mph) were measured late on the 25th, with 35 knots (40 mph) occurring on the afternoon of the 26th. These were the last strong winds of the month.
Fog
There was no fog observed in this part of Shoreham during October.
Statistics for October 2019
| Reporting Station | Highest Temp | Lowest Temp | Rain Total (mm) | Wettest | Rain days |
| Shoreham Airport | 18.7 | 1.7 | 115 | 23 | 23 |
| Thorney Island | 18.7 | 2.5 | 106 | 15 | 23 |
| Gatwick Airport | 19.0 | -1.7 | 150 | 19 | 25 |
| Herstmonceux | 18.1 | 2.3 | 140 | 20 | 24 |
| Bournemouth (Hurn) | 19.4 | -1.5 | 135 | 18 | 23 |
| Middle Wallop | 18.5 | 0.7 | 135 | 18 | 21 |
| Dieppe | 21.2 | 4.7 | 156 | 27 | 20 |
Weather in Shoreham – September 2019
Sunny and warm, then windy and wet
Temperatures
The average maximum temperature during September 2019 in Shoreham was 19.9 Celsius (68F), and that was around 1.5 degrees Celsius (3F) above normal for the time of year. The average minimum temperature was 12.2 Celsius (54F), and that was very close to the September normal.
The highest temperature recorded during the month was 23.3 Celsius (74F) on the 21st, but there were 13 other days when the temperature rose above 20 Celsius (68F), including 9 of the 11 days between the 10th and 20th. There were no particularly cool days during September, but maximum temperatures were below 20 Celsius (68F) from 5th to 9th inclusive, and from the 22nd until the end of the month. However, only 2 days had highs below 18 Celsius (64F). The 29th had a maximum of 17.8 Celsius (64F), but the coolest day of the month was the 9th when the temperature peaked at 16.3 Celsius (61F).
There were a few fairly warm nights during September, these mainly occurring at either end of the month. On 2 occasions during the first week, and on 3 occasions during the last 9 days of September, the temperature stayed above 15 Celsius (59F), but only 1 of these days had a minimum above 17 Celsius (63F). That was on the 22nd when a low of 18.4 Celsius (65F) was recorded. There were several rather cool nights during the month, and temperatures dipped below 10 Celsius (50F) on 9 nights. However, there were only 2 of these cooler nights with minima below 8 Celsius (46F). On the 6th 7.3 Celsius (45F) was measured, with 7.2 Celsius (45F) occurring on the 8th.
The sea temperature was 19 or 20 Celsius (66-68F) at the beginning of September, but slowly fell to 17 Celsius (63F) by the end of the month.
Frost
There were neither air nor grass frosts during September. The lowest grass minimum temperature was 3.3 Celsius (38F) recorded on the 6th.
Rain
There were 51.4 millimetres (2 ins.) of rain during September and that was very close to the monthly average. There were 15 days of measurable rain, and that was about 3 days above normal for September. Although the first 3 weeks of September were unsettled at times, particularly during the second week, it was often sunny, especially during the afternoons, and more generally through the third week. Rain fell on just 7 days between the 1st and 22nd inclusive and the total for this period was a meagre 8.6 millimetres (0.3 ins.). The highest daily total was 4.6 millimetres (0.2 ins.) on the 3rd, with no rain measured between the 13th and 20th inclusive. The end of the month became very unsettled with rain recorded on each of the last 10 days of September. Although much of the rain was light and drizzly, some heavy bursts occurred, and on the 23rd a total of 16.2 millimetres (0.6 ins.) was measured. A further 6.2 millimetres (0.2 ins.) fell on the 24th, with over 10 millimetres (0.4 ins.) recorded on the 28th.
Hail
No hail was observed in Shoreham during September.
Thunder
There was no thunder heard during September.
Snow
There was no sleet or snow observed in Shoreham during September.
Wind
Although September was a westerly month, pressure was relatively high during the first 3 weeks, and winds were mainly gentle or moderate, although some brisk afternoon sea breezes occurred. During the third week, breezes were generally from the east or northeast, but thereafter the pressure fell, and the weather became increasingly cyclonic, with mainly southwesterly winds becoming fresh or strong at times. At Shoreham Airport, southwesterly winds gusted to 32 knots (37 mph) on the afternoon of the 11th, but the next brisk winds were not until the 23rd when 30 knot (34 mph) southerly gusts were recorded in the evening. The 24th was a breezy day with southwesterly gusts peaking at 31 knots (35 mph) in the late afternoon. The breezy weather persisted with 33 knots (38 mph) occurring during the afternoon of the 25th. Gusts of 30 knots (34 mph) were measured on the 26th, and the 27th was windier with 38 knots (43 mph) from the southwest during the afternoon. There was no let up as southwesterly gusts exceeded 30 knots (34 mph) on the 28th, with 40 knots (46 mph) occurring early on the 29th. This was the highest gust of the month and the 30th was much calmer.
Fog
There was no fog observed in this part of Shoreham during September.
Statistics for September 2019
| Reporting Station | Highest Temp | Lowest Temp | Rain Total (mm) | Wettest | Rain days |
| Shoreham Airport | 22.3 | 4.2 | 61 | 20 | 13 |
| Thorney Island | 22.0 | 5.0 | 96 | 32 | 14 |
| Gatwick Airport | 25.4 | 4.2 | 92 | 27 | 15 |
| Herstmonceux | 24.1 | 5.6 | 95 | 25 | 14 |
| Bournemouth (Hurn) | 24.5 | 3.4 | 110 | 23 | 13 |
| Middle Wallop | 24.1 | 3.8 | 104 | 36 | 16 |
| Dieppe | 27.9 | 6.3 | 43 | 10 | 18 |
Weather in Shoreham – August 2019
Dry and Rather Warm
Temperatures
The average maximum temperature during August 2019 in Shoreham was 22.2 Celsius (72F), and that was around 2 degrees Celsius (3.5F) above normal for the time of year. The average minimum temperature was 14.3 Celsius (58F), and that was very close to the August normal.
The highest temperature recorded during the month was 28.2 Celsius (83F) on the 24th, but there were 3 other days when the temperature rose above 25 Celsius (77F), with all these very warm days occurring between the 24th and 27th. On most days maxima were between 20 and 25 Celsius, but there were a few cooler days. On 5 occasions the temperature failed to rise above 20 Celsius (68F). All of these cooler days occurred between the 10th and 18th, but the only day with a maximum below 18 Celsius (64F) was the 14th with a high of 17.6 Celsius (64F).
There were a few warm nights during August, and on the 9th the temperature only fell to 19.2. Celsius (67F). There were 2 other nights when the temperature stayed above 17 Celsius (63F), including the 28th when the minimum temperature was 17.8 Celsius (64F). The coolest nights tended to occur in the second half of the month, and of the 11 nights with minima below 13 Celsius (55F), only 3 occurred before mid month. Only 2 nights had lows under 10 Celsius (50F). The 13th had a minimum of 9.9 Celsius (50F), with the 21st dipping to 9.6 Celsius (49F).
The sea temperature was 19 or 20 Celsius (66-68F) throughout the month.
Frost
There were neither air nor grass frosts during August. The lowest grass minimum temperature was 6.1 Celsius (43F) recorded on both the 13th and 20th.
Rain
There were 28.2 millimetres (1.1 ins.) of rain during August and that was around 40% below the monthly average. There were 15 days of measurable rain, and that was about 3 days above normal for August. The first 2 days of August were dry, but the weather then turned changeable, although by the 10th only just over 5 millimetres (0.2 ins.) of rain had fallen. The total for the day on the 11th was 5.6 millimetres (0.2 ins.) with another 4 millimetres (0.15 ins.) on the 12th. Rain fell for much of the day on the 16th, and the total of 6 millimetres (0.25 ins.) made it the wettest day of the month. After the 16th rain was light and patchy with no daily total exceeding 0.6 millimetres (0.03 ins.). In fact the total between the 20th and the end of the month was less than 1 millimetre (0.04 ins.).
Hail
No hail was observed in Shoreham during August.
Thunder
There was only 1 day with thunder occurring during August, and that was late afternoon on the 12th when 4 rumbles were heard during a 6-minute period.
Snow
There was no sleet or snow observed in Shoreham during August.
Wind
August was very much a southwesterly month with winds from that direction dominating on 22 days. Although winds were often light in the mornings, during afternoons sea breezes were often fresh and occasionally strong. At Shoreham Airport, southwesterly winds gusted to 31 knots (35 mph) on the afternoon of the 7th, but on the 10th winds gusted above 40 knots (46 mph) through much of the night, morning and afternoon, peaking at 47 knots (54 mph) early in the afternoon. The wind was strong enough to break branches of several trees around the town. The wind remained blustery and 31 knots (35 mph) was recorded on the afternoon of the 11th, with a similar velocity occurring on the afternoon of the 14th. On the evening of the 16th, a gust of 36 knots (41 mph) was measured, and then 33 knots (38 mph) occurred on the afternoon of the 18th. The following afternoon had 32 knots (37 mph), but that was the final breezy afternoon of the month.
Fog
There was no fog observed in this part of Shoreham during August.
Statistics for August 2019
| Reporting Station | Highest Temp | Lowest Temp | Rain Total (mm) | Wettest | Rain days |
| Shoreham Airport | 25.9 | 7.6 | 32 | 9 | 12 |
| Thorney Island | 29.2 | 8.4 | 38 | 8 | 12 |
| Gatwick Airport | 32.2 | 6.0 | 55 | 13 | 14 |
| Herstmonceux | 30.9 | 7.9 | 49 | 11 | 14 |
| Bournemouth (Hurn) | 27.6 | 6.2 | 43 | 16 | 14 |
| Middle Wallop | 30.5 | 7.3 | 52 | 11 | 13 |
| Dieppe | 29.3 | 8.8 | 42 | 14 | 18 |
Weather in Shoreham – July 2019
Warm, but some Thundery Downpours
Temperatures
The average maximum temperature during July 2019 in Shoreham was 23.5 Celsius (74F), and that was over 3 degrees Celsius (5F) above normal for the time of year. The average minimum temperature was 14.6 Celsius (59F), and that was less than 1 Celsius (1F) above the July normal.
The highest temperature recorded during the month was 33.3 Celsius (92F) on the 23rd, but the 25th was almost as hot with 33.0 Celsius (91F). These were some of the highest temperatures known to have been recorded in the area and comparable with the high temperatures observed in the Summer of 1976, and the August heatwave of 1990. There were no other days when temperatures exceeded 30 celsius (86F), but there were 4 other days when the temperature rose above 25 Celsius (77F). The warmest of these days was the 24th with a reading of 26.5 Celsius (80F). On most days (23), maximum temperatures were between 20 and 25 Celsius (68-77F), but there were 2 rather cool days. On the 7th, the temperature struggled to reach 19.0 Celsius (66F), but the 19th was cooler with a high of 18.9 Celsius (66F).
There were a few warm nights during July, especially during the second half of the month. The warmest night was the 24th with a minimum of 19.0 Celsius (66F), but a low of 18.8 Celsius (66F) occurred on the 26th, and 18.2 Celsius (65F) was noted on the 30th. There were 11 other nights with minima higher than 15 Celsius (59F). There were no particularly cool nights, although minimum temperatures were below 13 Celsius (55F) on 10 nights. This included 5 nights with minima below 12 Celsius (54F). The lowest temperature was 11.2 Celsius (52F), this occurring on 3 nights, the 15th, 17th and 19th.
The sea temperature gradually rose from 18 Celsius (64F) at the beginning of June to 19 or 20 Celsius (66-68F) by the end of the month.
Frost
There were neither air nor grass frosts during July. The lowest grass minimum temperature was 7.8 Celsius (46F) recorded on both the 15th and 19th.
Rain
There were 47.0 millimetres (1.85 ins.) of rain during July and that was close to the monthly average. There were 9 days of measurable rain, and that was about 3 days below normal for July. The first half of the month was very dry, with the 6th the only day with measurable rainfall between the 1st and 16th, and even then, just 1.8 millimetres (0.07 ins.) were recorded. Thereafter, the month was somewhat more unsettled. The 17th and 18th each produced less than 1 millimetre (0.04 ins.) of rain, but on the 19th there were 32.2 millimetres (1.27 ins.) making it the wettest July day for 12 years. Dry weather followed for 3 days, but changeable weather towards the end of the month led to 5 out of the last 9 days recording measurable rain. The wettest day was the 26th with 5.8 millimetres (0.2 ins.), with each of the other 4 days having less than 3 millimetres (0.1 ins.).
Hail
No hail was observed in Shoreham during July.
Thunder
There were 4 days with thunder during July. The first thunder was in association with the heavy rain late on the evening of the 19th. Thunderstorms late on the evening of the 23rd rumbled on into the early hours of the 24th, with frequent lightning, especially to the south, although thunder was generally distant. Thunder and lightning occurred intermittently overnight on the 26th.
Snow
There was no sleet or snow observed in Shoreham during July.
Wind
Southwesterly winds were dominant during July, although winds blew from other directions too., with east or southeasterly breezes associated with some of the warmer days. Generally winds were quite light, although moderate or fresh sea breezes occurred on several afternoons. The main exception to the light winds occurred late on the 29th and 30th , when southwesterly winds were strong enough to break branches off trees and substantially reduce the yield from fruit trees. At Shoreham Airport southwesterly gusts touched 30 knots (34 mph) on the afternoon of the 20th, but on the 30th southwest winds gusted to 41 knots (47 mph) in the afternoon, with 32 knots, (36 mph), from the same direction, on the 31st.
Fog
There was no fog observed in this part of Shoreham during July.
Statistics for July 2019
| Reporting Station | Highest Temp | Lowest Temp | Rain Total (mm) | Wettest | Rain days |
| Shoreham Airport | 31.1 | 8.8 | 55 | 38 | 9 |
| Thorney Island | 30.5 | 8.9 | 44 | 26 | 9 |
| Gatwick Airport | 34.9 | 7.2 | 54 | 21 | 10 |
| Herstmonceux | 35.0 | 9.0 | 90 | 50 | 8 |
| Bournemouth (Hurn) | 31.7 | 7.2 | 35 | 12 | 5 |
| Middle Wallop | 33.4 | 8.3 | 37 | 16 | 9 |
| Dieppe | 40.1 | 9.3 | 31 | 10 | 7 |
Weather in Shoreham – June 2019
Rather warm and Wet
Temperatures
The average maximum temperature during June 2019 in Shoreham was 20.4 Celsius (68F), and that was over 2 degrees Celsius (3.5F) above normal for the time of year. The average minimum temperature was 12.4 Celsius (54F), and that was very close to the June normal.
The highest temperature recorded during the month was 30.3 Celsius (86F) on the 29th, but there were 2 other days when the temperature rose above 25 Celsius (77F). On the 25th a high of 26.6 Celsius (80F) occurred, with 26.8 Celsius (81F) recorded on the 28th. There were a further 10 days with maxima above 20 Celsius (68F), but only 2 of these warmer days occurred before mid month. by way of contrast, there were 10 consecutive days exceeding 20 Celsius (68F) between the 21st and the end of the month. There were very few cool days during June. In fact, only 4 days had maxima below 17 Celsius (63F). All of these cooler days occurred between the 8th and 13th. Only 1 day had a high below 15 Celsius (59F), and that was on the 10th when a maximum of 12.3 Celsius (54F) occurred. This appears to be the coolest June day in the area for 23 years.
There were a few warm nights during June, especially during the last week of the month. The warmest night was the 24th with a minimum of 18.6 Celsius (66F). This was a particularly interesting night. At 2100 hours on the 23rd the temperature was 20.8 Celsius (69F). The temperature then slowly rose, peaking at 22.3 Celsius (72F) at 2300 hours. After a brief dip to 20.4 Celsius (68F) after midnight, another rise occurred with a maximum of 21.8 Celsius (71F) at 0240 hours. The temperature stayed above 21 Celsius (70F) until 0410, but the east to northeasterly ‘foehn’ breeze that had helped to sustain the high values slowly abated and was eventually displaced by a light southwest wind blowing from a cooler source. There were 3 other nights with minima above 15 Celsius (59F) with the first of these occurring on the second night of the month. Generally, the nights were cooler during the first half of June, but the 4 coolest nights, each with minimum temperatures below 10 Celsius (50F), were divided evenly between the 2 halves of June. The coolest night was the 9th with 8.4 Celsius (47F), followed by the 22nd with 8.8 Celsius (48F).
The sea temperature gradually rose from 15 Celsius (59F) at the beginning of June to 18 Celsius (64F) by the end of the month.
Frost
There were no air nor grass frosts during June. The lowest grass minimum temperature was 3.9 Celsius (39F) on the 9th.
Rain
There were 55.4 millimetres (2.2 ins.) of rain during June and that was around 20% above the monthly average. There were 14 days of measurable rain, and that was about 2 days above normal for June. The first day of the month was dry and rain on the 2nd was negligible. However, rain fell for much of the day on the 4th and amounted to 6 millimetres (0.2 ins.). Although the 5th and 8th were largely dry, the changeable weather continued, with 8.6 millimetres (0.3 ins.) falling on the 7th, followed by a thoroughly cool and wet day on the 10th when 12.4 (0.5 ins.) were measured, the wettest day of the month. The unsettled weather continued, but rainfall totals were lower, and between the 13th and 23rd only 5 millimetres (0.2 ins.) of rain fell. Rain, heavy at times, occurred on the evening of the 24th, lasting into the early hours of the 25th. A total of 10 millimetres (0.4 ins.) were measured, but this proved to be the last significant rain of the month.
Hail
No hail was observed in Shoreham during June.
Thunder
There were thunderstorms around, and just before, mid morning on the 18th, with further storms in the evening. The late storms produced much lightning to the east and southeast but very little thunder and only light rain.
Snow
There was no sleet or snow observed in Shoreham during June.
Wind
Southwesterly winds blew slightly less often than during an average June, nevertheless, they were dominant on around half the days. There were a few days with east or northeasterly winds, these mainly occurring on the warmer days towards the end of the month. Apart from on the 8th, a notably breezy day, winds were mainly light or moderate, although on a few days there were some brisk afternoon sea breezes. At Shoreham Airport, gusts exceeded 30 knots (34 mph) during much of the 8th, and reached 39 knots (45 mph) around dawn and again early in the afternoon. Southwesterly gusts of 31 knots (35 mph) occurred in the afternoon and early evening of the 13th. These were the last noteworthy gusts of the month.
Fog
There was no fog observed in this part of Shoreham during June.
Statistics for june 2019
| Reporting Station | Highest Temp | Lowest Temp | Rain Total (mm) | Wettest | Rain days |
| Shoreham Airport | 28.1 | 5.2 | 65 | 17 | 15 |
| Thorney Island | 28.3 | 7.4 | 66 | 22 | 12 |
| Gatwick Airport | 33.1 | 5.3 | 86 | 17 | 15 |
| Herstmonceux | 31.4 | 7.1 | 130 | 47 | 12 |
| Bournemouth (Hurn) | 27.8 | 3.6 | 75 | 21 | 15 |
| Middle Wallop | 30.8 | 6.6 | 72 | 25 | 14 |
| Dieppe | 35.4 | 8.1 | 40 | 14 | 9 |