London
May
Weather in London for May 2025
Your guide to London weather in May - trends and predictions
In general, the average temperature in London at the beginning of May is 15.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22 °C by the end of May.
London in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 59.5 mm.
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Temperatures
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14
Dry days
17
Rainy days
0
Snow days
19°/9°
Temperatures
18 km/h
Avg max wind
71 %
Avg humidity
London in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  14° | 2 10° | 3 14° | 4  15° | |||
| 5  16° | 6  18° | 7 19° | 8 21° | 9 15° | 10 17° | 11 17° |
| 12 19° | 13  23° | 14 16° | 15  21° | 16 21° | 17 18° | 18 21° |
| 19 23° | 20 19° | 21 24° | 22 23° | 23 23° | 24 21° | 25 20° |
| 26 22° | 27 22° | 28 21° | 29 23° | 30 22° | 31 24° |
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Temperatures trend during May in London
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate rain at times | 14° /5° | 2.2 mm | 4 | |
| 2 May | Moderate rain at times | 10° /4° | 5.1 mm | 3 | |
| 3 May | Moderate rain at times | 14° /6° | 3.8 mm | 4 | |
| 4 May | Patchy rain possible | 15° /8° | 0.6 mm | 4 | |
| 5 May | Overcast | 16° /6° | 0.3 mm | 4 | |
| 6 May | Partly cloudy | 18° /4° | 0 mm | 5 | |
| 7 May | Moderate or heavy rain shower | 19° /8° | 5.6 mm | 5 | |
| 8 May | Overcast | 21° /11° | 0.6 mm | 5 | |
| 9 May | Overcast | 15° /7° | 3.2 mm | 4 | |
| 10 May | Partly cloudy | 17° /7° | 1.2 mm | 5 | |
| 11 May | Partly cloudy | 17° /8° | 3.8 mm | 5 | |
| 12 May | Partly cloudy | 19° /9° | 0.4 mm | 5 | |
| 13 May | Cloudy | 23° /11° | 4.7 mm | 5 | |
| 14 May | Cloudy | 16° /9° | 7.8 mm | 4 | |
| 15 May | Sunny | 21° /8° | 0 mm | 6 | |
| 16 May | Overcast | 21° /9° | 0.2 mm | 5 | |
| 17 May | Sunny | 18° /7° | 0.3 mm | 5 | |
| 18 May | Sunny | 21° /7° | 0 mm | 5 | |
| 19 May | Overcast | 23° /10° | 1.9 mm | 6 | |
| 20 May | Moderate rain at times | 19° /11° | 6.4 mm | 5 | |
| 21 May | Sunny | 24° /12° | 1.8 mm | 6 | |
| 22 May | Partly cloudy | 23° /13° | 1.6 mm | 6 | |
| 23 May | Cloudy | 23° /10° | 0 mm | 6 | |
| 24 May | Cloudy | 21° /10° | 0 mm | 5 | |
| 25 May | Sunny | 20° /7° | 2.8 mm | 5 | |
| 26 May | Sunny | 22° /7° | 1.3 mm | 6 | |
| 27 May | Sunny | 22° /10° | 2.3 mm | 5 | |
| 28 May | Sunny | 21° /10° | 1.2 mm | 5 | |
| 29 May | Sunny | 23° /9° | 0.6 mm | 6 | |
| 30 May | Sunny | 22° /9° | 0 mm | 6 | |
| 31 May | Sunny | 24° /10° | 0 mm | 6 | |
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Important Notice
Our weather forecast for London in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the London forecast closer to your planned date for the most up-to-date weather information.
London in May - FAQ
What are the expected maximum and minimum temperatures in London during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in London during May?
Moderate rainfall is anticipated in London during May, with a total of 59.5 mm spread over approximately 17 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in London during May?
The average wind speed in London during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in London
Explore the daily rainfall trends and prepare for Londons May weather 💧
UV exposure in London during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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