Weather in Shoreham – April 2022

Rather Mild and Dry

Temperatures

The average maximum temperature during April 2022 in Shoreham was 15.4 Celsius (60F), and that was 0.7 Celsius (1F) above normal for the time of year. The average minimum temperature was 6.0 Celsius (43F), and that was very close to the April average.

The highest temperature recorded during the month was 20.6 Celsius (69F) on the 21st, but 20.2 Celsius (68F) occurred on the 20th, and 20.0 Celsius (68F) was recorded on the 15th. A further 4 days had maxima above 17 Celsius (63F). On many days (14) maxima were between 14 and 17 Celsius (57-63F) but there were some cooler days, especially early in the month. On 6 occasions the temperature failed to reach 12 Celsius (54F) with all of these cooler days occurring before the 10th. However, only 1 day had a maximum temperature below 11 Celsius (52F) and that was the 1st when a high of 8.9 Celsius (48F) was recorded.

There were no particularly mild nights during April, but a minimum of 11.0 Celsius (52F) occurred on the 12th, and the temperature stayed above 10 Celsius (50F) on both the 5th and 23rd. On most nights (17) the temperature fell to between 5 and 9 Celsius (41-48F), but there were some colder days early in the month. On 8 occasions the temperature fell below 5 Celsius (41F), but the only one of these colder nights occurring after the 10th was on the 30th when 4.3 Celsius (40F) was recorded. Between the 1st and the 10th, there were 5 nights with minima below 2 Celsius (36F), and 4 of those nights had lows under 1 Celsius (34F). The coldest night was the 3rd with a minimum of minus 0.6 Celsius (31F).

The sea temperature rose slowly from 10 Celsius (50F) at the beginning of April, to 12 Celsius (54F) at the end of the month.

 

Frost

 

There were 2 air frosts in April, and that was 1 more than the average. The air frosts were both slight with minima of minus 0.3 Celsius (32F) and minus 0.6 Celsius (31F) on the 2nd and 3rd respectively. The 9th had a minimum air temperature of 0.0 Celsius (32F), but the grass temperature fell to minus 3.9 Celsius (25F). This was 1 of the 7 April grass frosts, all of which occurred before the 11th. The lowest grass temperature was minus 4.4 Celsius (24F). This occurred on both the 3rd and 10th. 

 

Rain

 

Rainfall in April amounted to 20.4 millimetres (0.8 ins.), which was around 20% below average for the month. Measurable rain fell on 6 days, which was 2 days below the average, and wet days (when 1 millimetre (0.04 ins.), or more, of rain falls) numbered 4, and that was 1 day below the average. The first 8 days of the month were changeable, but the 1st and 2nd produced no measurable rain, and the 3rd and 4th only yielded 2.2 and 1.4 millimetres (0.09 and 0.04 ins.) respectively. Very little rain was recorded on the 5th, but rain on the 6th, followed by some heavy rain overnight, gave a total of 14.8 millimetres (0.6 ins.) on the rainfall day ending at 0900 UTC on the 7th. This was over 70% of the total for the month. Measurable rain only fell twice more during April. A trivial 0.2 millimetres (0.01 ins.) were recorded on the 8th, and 1.6 millimetres (0.06 ins.) fell on the 12th. That meant that no measurable rain fell for the remainder of the month, a total of 18 days.

 

Hail

 

Light showers of soft hail fell from early to mid-afternoon on the 1st.

 

Thunder

 

No thunder was heard in this part of Shoreham.

 

Snow

 

Light showery snow fell early on 1st, the first snow observed since 28th November, although sleet fell on the morning of the 31st March.

 

Wind

 

High pressure was often close to the UK during April, and for the second consecutive month winds with an easterly component dominated. Westerly winds mainly occurred during the first half of the month, and accounted for less than 40% of the daily readings. However, the strongest winds were mainly from the west and the end of the first week was particularly windy. At Shoreham Airport, southwesterly winds were fresh or strong for most of the day on the 6th, and gusts peaked at 37 knots (42 mph) during the evening. The wind strengthened for a while overnight, before veering westerly. That westerly wind on the 7th was very strong with several gusts in the afternoon over 40 knots (46 mph). The highest gust, occurring late in the afternoon, was 45 knots (51 mph). The only other day in April with gusts above 30 knots (34 mph) was the 23rd, when northeasterly winds gusted to 31 knots (35 mph).    

 

Fog

 

Overnight fog lingered until after mid morning on the 14th.

 

Statistics for April 2022

 

Reporting Site Highest Temp Lowest Temp Rain Total (mm) Wettest Rain days
Shoreham A/P 19.4 -2.7 15 5 6
Thorney Island 19.2 -2.3 17 5 11
Gatwick A/P 22.1 -5.0 30 11 9
Herstmonceux 19.7 -1.0 34 17 7
Bournemouth (Hurn) 19.8 -4.4 18 6 9
Middle Wallop 21.0 -2.9 24 12 10
Dieppe 20.7 -1.3 34 13 10