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 16.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.7 °C by the end of May.
London sees moderate rainfall in May, averaging 9 rainy days.
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22
Dry days
9
Rainy days
0
Snow days
18°/8°
Temperatures
16 km/h
Avg max wind
74 %
Avg humidity
London in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  13° | 3  14° | 4  18° | |||
| 5 17° | 6  14° | 7 20° | 8 18° | 9 19° | 10 18° | 11 20° |
| 12 18° | 13 19° | 14 18° | 15 16° | 16 16° | 17 18° | 18 18° |
| 19 20° | 20 18° | 21 16° | 22 19° | 23 16° | 24 20° | 25  19° |
| 26  18° | 27 18° | 28 17° | 29 18° | 30 17° | 31 17° |
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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 or heavy rain shower | 17° /9° | 3.1 mm | 4 | |
| 2 May | Overcast | 13° /8° | 5.7 mm | 3 | |
| 3 May | Partly cloudy | 14° /6° | 1.8 mm | 4 | |
| 4 May | Patchy rain possible | 18° /7° | 0.3 mm | 4 | |
| 5 May | Moderate rain at times | 17° /9° | 1.5 mm | 4 | |
| 6 May | Heavy rain at times | 14° /9° | 4.2 mm | 3 | |
| 7 May | Patchy rain possible | 20° /10° | 0.3 mm | 5 | |
| 8 May | Patchy rain possible | 18° /9° | 1.8 mm | 5 | |
| 9 May | Moderate or heavy rain shower | 19° /10° | 10.3 mm | 5 | |
| 10 May | Moderate or heavy rain shower | 18° /10° | 6.3 mm | 5 | |
| 11 May | Moderate rain at times | 20° /8° | 2.7 mm | 5 | |
| 12 May | Moderate rain at times | 18° /10° | 1.1 mm | 4 | |
| 13 May | Partly cloudy | 19° /10° | 0.8 mm | 5 | |
| 14 May | Patchy rain possible | 18° /9° | 3.5 mm | 4 | |
| 15 May | Patchy rain possible | 16° /9° | 0.6 mm | 4 | |
| 16 May | Overcast | 16° /8° | 3.1 mm | 4 | |
| 17 May | Patchy rain possible | 18° /8° | 0.1 mm | 4 | |
| 18 May | Overcast | 18° /10° | 3.5 mm | 4 | |
| 19 May | Patchy rain possible | 20° /9° | 0.8 mm | 5 | |
| 20 May | Overcast | 18° /7° | 0.1 mm | 5 | |
| 21 May | Overcast | 16° /8° | 3.2 mm | 4 | |
| 22 May | Overcast | 19° /10° | 2 mm | 4 | |
| 23 May | Overcast | 16° /8° | 0 mm | 4 | |
| 24 May | Overcast | 20° /8° | 0.1 mm | 5 | |
| 25 May | Cloudy | 19° /9° | 0.1 mm | 4 | |
| 26 May | Sunny | 18° /9° | 4.3 mm | 5 | |
| 27 May | Sunny | 18° /8° | 0.5 mm | 5 | |
| 28 May | Overcast | 17° /8° | 3.3 mm | 4 | |
| 29 May | Partly cloudy | 18° /9° | 0.4 mm | 5 | |
| 30 May | Overcast | 17° /8° | 0.5 mm | 4 | |
| 31 May | Overcast | 17° /9° | 0.2 mm | 4 | |
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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 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in London during May?
Significant rainfall exceeding 114 mm is expected in London during May, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in London during May?
The average wind speed in London during May is 16 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 💧
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