May 2025 was another very dry month and also a very warm month. The month at one time looked like it would easily featured in the top twenty of driest months however a wet final 9 days moved in rapidly down the list coming in as the 16th driest. May became the 4th warmest on record.
May was another month were there wasn't any real cool weather by day however it did feature a few chilly mornings and it the minima until the 25th that kept the monthly average in check. This reversed in final six days of the month when nights became warm and highs were suppressed. The warm weather from April continued into the first two days with the warmest day of the month on the 1st when 26.3C was reached. Temperatures fell away after that with a few cools days on the 4th and 5th when the highs were 12.6C, the coldest day of the month and 13.2C. The coldest night of the May was the 6th with 1.1C and a rare ground frost. Temperatures returned to 20's from the 9th to the 13th with the 2nd warmest day on the 12th when 25.4C was reached. The second half of the month saw the temperatures in the mid teens to low twenties with pleasant sunny days. The day time temperatures didn't alter much right through to the end of the month. Night's were in single digits from 3rd until the 30th when the warmest night was recorded with 13.3C being the low as the nights turned rather warm to warm which pushed the night time average to slightly above normal. If the northly blocking continued the night time average could well have been slightly below normal. Considering how warm the seas are around the UK this is rather surprising. The other feature was the lack of very high temperatures through May so less variation than normal as the MOnth closed on the joint 4th warmest.
May continued the dry theme set by the previous two months and briefly the driest spring and driest May on record looked possible. A change to Atlantic driven weather from the blocked pattern prevented any new records being made and May quickly dropped down the driest top twenty Mays on record. Spring settling at the 3rd driest on record. May saw 19 days without rain from the 1st to the 19th. Add on the 8 days from April and 27 days without any rain at all. The first rain fell on the evening of the 20th when a shower brought 0.2mm. A few spots of rain on the 22nd brought a trace followed the first proper rain of the month on the 23rd when 4.8mm fell. Overnight rain for 24th to the 25th didn't really materialised limited to a few spots of rain. A shower on the morning of the 24th brought 0.3mm. Rainfall on the 26th and 27th sealed the fate of the driest spring on record when 9.1mm fell followed by the highest of the month with 12.9mm. respectively. Further rain albeit fairly small amounts pushed the month and Spring further down the list of driest Mays. So no new records but the month tried very hard but surrendered with a wet final third of the month.
The weather for the month was mostly quiet as expected for the time of year and even more so due high pressure dominating. The highest gust was 34mph on the 26th. The main thing to take from the the month was the days where the wind came from a NE quadrant. It wasn't until the 24th when winds returned to the W direction that normally dominates.
There wasn't any Thunder or any Thunderstorms recorded during May.
June is looking start to a unsettled theme with light showers or longer spells of rain and with temperatures close to average. There's chance of some hot weather before mid month before the Atlantic pushes through again and a return to more normal temperatures. The unsettled weather lasting for a few days before high pressure builds back in for the last few days of June. So a unsettled month with temperatures above average again but more in the way of rainfall than previous months coming in at close to average. Thundery activity looks unlikely as due to the lack of any hot plumes.
| May's Averages, Highs and Lows | ||
|---|---|---|
| Average Temp 12.0C | Last Months Average 13.4 | Difference from average 1.4C |
| Average Max Temp 16.7C | Last Months Average 19.1C | Difference from average 2.4C |
| Average Min Temp 7.2C | Last Months Average 7.7C | Difference From Average 0.5C |
| High Max 26.3C on the 1st | Low Max 12.6C on the 4th | Highest Daily Range 17.2C on the 9th |
| High Min 13.3C on the 30th | Low Min 1.1C on the 6th | Lowest Daily Range 4.4C on the 27th |
| Number of Air Frosts 0 | Days of Thunder 0 | Days of Snow 0 |
| Days of Measurable Rain 8 Days | Days of Rain with trace 3 Days | Days with Gusts ≥ 50 mph 0 days |
| Average Rainfall 59.6mm | This Months Average 31.9mm | Percentage of Average Rainfall 53.5% |