Greater London (London)
May
Weather in Greater London for May 2025
Your guide to Greater London weather in May - trends and predictions
In general, the average temperature in Greater London at the beginning of May is 15.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.9 °C by the end of May.
Greater London experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 68 mm.
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Temperatures
Rain 🌧️
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8
Dry days
23
Rainy days
0
Snow days
17°/9°
Temperatures
17 km/h
Avg max wind
73 %
Avg humidity
Greater London in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  15° | 2  14° | 3  14° | 4  16° | |||
| 5 16° | 6 15° | 7 18° | 8 17° | 9  19° | 10 17° | 11 18° |
| 12 17° | 13 18° | 14  18° | 15 17° | 16 16° | 17 19° | 18 18° |
| 19 19° | 20 16° | 21 16° | 22 19° | 23 15° | 24 17° | 25 17° |
| 26 18° | 27  19° | 28 18° | 29 18° | 30 17° | 31 18° |
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Temperatures trend during May in Greater 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 | 15° /7° | 2.7 mm | 4 | |
| 2 May | Partly cloudy | 14° /6° | 2.9 mm | 4 | |
| 3 May | Heavy rain at times | 14° /7° | 3.1 mm | 4 | |
| 4 May | Patchy rain possible | 16° /7° | 2.2 mm | 4 | |
| 5 May | Moderate or heavy rain shower | 16° /7° | 1.5 mm | 4 | |
| 6 May | Patchy rain possible | 15° /7° | 2.4 mm | 4 | |
| 7 May | Patchy rain possible | 18° /8° | 0.7 mm | 4 | |
| 8 May | Patchy rain possible | 17° /8° | 5.2 mm | 4 | |
| 9 May | Cloudy | 19° /9° | 5.2 mm | 4 | |
| 10 May | Patchy rain possible | 17° /10° | 3.6 mm | 5 | |
| 11 May | Moderate rain at times | 18° /8° | 2.7 mm | 4 | |
| 12 May | Patchy rain possible | 17° /9° | 0.7 mm | 4 | |
| 13 May | Partly cloudy | 18° /9° | 1.3 mm | 4 | |
| 14 May | Overcast | 18° /8° | 1.8 mm | 4 | |
| 15 May | Patchy rain possible | 17° /10° | 2.1 mm | 4 | |
| 16 May | Moderate or heavy rain shower | 16° /9° | 4.2 mm | 4 | |
| 17 May | Patchy rain possible | 19° /8° | 2.5 mm | 4 | |
| 18 May | Moderate or heavy rain shower | 18° /10° | 3.4 mm | 4 | |
| 19 May | Moderate or heavy rain shower | 19° /9° | 2.2 mm | 5 | |
| 20 May | Overcast | 16° /8° | 0.4 mm | 4 | |
| 21 May | Patchy rain possible | 16° /8° | 2.4 mm | 4 | |
| 22 May | Heavy rain at times | 19° /9° | 2.7 mm | 4 | |
| 23 May | Heavy rain at times | 15° /8° | 2.5 mm | 4 | |
| 24 May | Heavy rain at times | 17° /7° | 3.1 mm | 4 | |
| 25 May | Patchy rain possible | 17° /8° | 0.2 mm | 4 | |
| 26 May | Patchy rain possible | 18° /8° | 2.3 mm | 4 | |
| 27 May | Sunny | 19° /9° | 0.2 mm | 5 | |
| 28 May | Patchy rain possible | 18° /8° | 1.8 mm | 4 | |
| 29 May | Sunny | 18° /9° | 0.4 mm | 5 | |
| 30 May | Partly cloudy | 17° /7° | 0.8 mm | 4 | |
| 31 May | Sunny | 18° /9° | 0.6 mm | 4 | |
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Important Notice
Our weather forecast for Greater 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 Greater London forecast closer to your planned date for the most up-to-date weather information.
Greater London in May - FAQ
What are the expected maximum and minimum temperatures in Greater London during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Greater London during May?
Moderate rainfall is anticipated in Greater London during May, with a total of 68 mm spread over approximately 23 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Greater London during May?
The average wind speed in Greater London during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Greater London
Explore the daily rainfall trends and prepare for Greater Londons May weather 💧
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