Dry, with some chilly nights

Temperatures

The average maximum temperature during October 2018 in Shoreham was 15.8 Celsius (60F), and that was almost 1 degree Celsius (1.8F) above normal for the time of year. The average minimum temperature was 8.1 Celsius (46F), and that was  over 1 degree Celsius (1.8F) below the October normal.   

The highest temperature recorded during the month was 21.2 Celsius (70F) on the 13th, but on the 10th there was a high of 20.1 Celsius (68F). There were 8 other days when the temperature rose above 18 Celsius (64F), with all these warmer days occurring before the 17th. The coolest weather was mainly confined to the end of the month, with all of the days having maxima below 13 Celsius (55F) occurring between the 25th and 30th. The 28th, 29th and 30th each had maxima between 9 and 10 Celsius (48-50F), but the coolest day was the 27th with a very chilly 7.9 Celsius (46F).

There were several fairly warm nights during the second week of October, and on the 13th a minimum of 17.9 Celsius (64F) occurred. This was one of the warmest October nights in the area for 50 years, and was the 7th warmest night of the year. The 11th and 12th each had minima above 15 Celsius (59F), and the 14th had a low of 14.1 Celsius (57F). These were the only nights when the temperature stayed above 11 Celsius (52F). However, there were 7 nights with minimum temperatures between 10 and 11 Celsius (50-52F), and a further 4 nights with lows between 9 and 10 Celsius (48-50F). The coldest nights were generally after mid month, and of the 9 nights with minima below 5 Celsius (41F), only the 8th, with a low of 4.5 Celsius (40F), occurred before the 20th. The last 5 nights of the month were coldest, with lows of 1.8 Celsius (35F) and 1.7 Celsius (35F) on the 27th and 29th respectively. The last night of the month was coldest with a low of 0.1 Celsius (32F). 

The sea temperature was around 17 Celsius (63F) early in the month, falling steadily to 14 Celsius (57F) by the end of October.

Frost

There were no air frosts during October, but 2 grass frosts occurred. On the 25th there was a grass minimum of minus 0.6 Celsius (31F), and on the 31st a low of minus 3.9 Celsius (25F) was recorded.   

Rain

There were 31.4  millimetres (1.2 ins.) of rain during October and that was less than 50% of the monthly average. There were 12 days of measurable rain, and that was 2 below the October normal. No measurable rain fell during the first 5 days of October, although dew and wet fog gave 0.2 millimetres (0.01 ins.) early on the 4th. It was the first of 4 occasions during the month when dew contributed to the monthly rainfall total. The first rain of any significance fell on the 6th, and heavy rain in the afternoon helped to make it the wettest day of the month  with 10.6 millimetres (0.4 ins.). No more rain fell until the middle of the second week when a short-lived changeable interlude gave nearly 2 millimetres (0.07 ins.) on the 10th,  over 2 millimetres (0.08 ins.) on the 13th, and nearly 9 millimetres (0.35 ins.) on the 14th. Apart from dew, it stayed dry until the 26th. Both the 26th and 28th had a little rain, but on the evening of the 31st heavier rain occurred, this lasting into the early hours of the 1st November. the total for the rainfall day (0900-0900 UTC) was 6.2 millimetres (0.25 ins.).

Hail

There was no hail observed in this part of Shoreham during October.

Thunder

There was no thunder heard in this part of Shoreham during October.

Wind

The windy,  cyclonic weather often associated with mid autumn was largely absent during October with the prevailing southwesterlies replaced by a more benign run of northwesterlies. There were a few exceptions, though. At Shoreham Airport, northerly gusts reached 34 knots (39 mph) on the evening of the 6th, and northeasterly winds gusted to 33 knots (38 mph) late in the afternoon on  the 28th. Unusually, these were the only gusts above 30 knots (34 mph) during October.    

Fog

There was mist and fog observed on the morning of the 4th.

Statistics for October 2018