Greater London
August
Weather in Greater London for August 2025
Your guide to Greater London weather in August - trends and predictions
In general, the average temperature in Greater London at the beginning of August is 21.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.3 °C by the end of August.
Expect significant rainfall in Greater London during August, with an average of 20 rainy days.
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11
Dry days
20
Rainy days
0
Snow days
21°/14°
Temperatures
17 km/h
Avg max wind
69 %
Avg humidity
Greater London in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  22° | 3  23° | ||||
| 4 20° | 5 22° | 6 21° | 7  21° | 8 20° | 9  24° | 10  25° |
| 11 25° | 12 28° | 13 25° | 14  23° | 15 23° | 16 25° | 17 24° |
| 18 22° | 19 24° | 20 23° | 21 23° | 22 22° | 23 24° | 24 20° |
| 25 20° | 26 21° | 27 22° | 28 24° | 29 22° | 30 21° | 31  19° |
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Temperatures trend during August in Greater London
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Patchy rain possible | 24° /16° | 1.7 mm | 6 | |
| 2 Aug. | Moderate or heavy rain shower | 22° /16° | 7.5 mm | 6 | |
| 3 Aug. | Overcast | 23° /15° | 0.6 mm | 5 | |
| 4 Aug. | Moderate rain at times | 20° /14° | 0.8 mm | 5 | |
| 5 Aug. | Moderate or heavy rain shower | 22° /12° | 8.8 mm | 6 | |
| 6 Aug. | Patchy rain possible | 21° /13° | 3.3 mm | 5 | |
| 7 Aug. | Cloudy | 21° /12° | 0 mm | 5 | |
| 8 Aug. | Patchy rain possible | 20° /12° | 1 mm | 5 | |
| 9 Aug. | Sunny | 24° /15° | 0.2 mm | 6 | |
| 10 Aug. | Partly cloudy | 25° /14° | 0 mm | 6 | |
| 11 Aug. | Patchy rain possible | 25° /17° | 0.2 mm | 6 | |
| 12 Aug. | Patchy rain possible | 28° /16° | 0.2 mm | 7 | |
| 13 Aug. | Patchy rain possible | 25° /16° | 0.2 mm | 6 | |
| 14 Aug. | Heavy rain at times | 23° /16° | 4.6 mm | 5 | |
| 15 Aug. | Patchy rain possible | 23° /14° | 0.1 mm | 5 | |
| 16 Aug. | Patchy rain possible | 25° /15° | 1 mm | 6 | |
| 17 Aug. | Cloudy | 24° /15° | 0 mm | 6 | |
| 18 Aug. | Moderate or heavy rain shower | 22° /15° | 2.8 mm | 6 | |
| 19 Aug. | Moderate or heavy rain shower | 24° /16° | 2.6 mm | 6 | |
| 20 Aug. | Patchy rain possible | 23° /14° | 0.8 mm | 5 | |
| 21 Aug. | Sunny | 23° /13° | 0 mm | 6 | |
| 22 Aug. | Cloudy | 22° /15° | 0.1 mm | 5 | |
| 23 Aug. | Overcast | 24° /15° | 0.6 mm | 6 | |
| 24 Aug. | Moderate or heavy rain shower | 20° /14° | 10.9 mm | 5 | |
| 25 Aug. | Overcast | 20° /12° | 0.7 mm | 5 | |
| 26 Aug. | Light rain shower | 21° /13° | 1.5 mm | 5 | |
| 27 Aug. | Overcast | 22° /13° | 0.3 mm | 6 | |
| 28 Aug. | Overcast | 24° /14° | 0.2 mm | 6 | |
| 29 Aug. | Overcast | 22° /13° | 0.1 mm | 6 | |
| 30 Aug. | Overcast | 21° /12° | 0.8 mm | 5 | |
| 31 Aug. | Light drizzle | 19° /13° | 0.7 mm | 5 | |
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Important Notice
Our weather forecast for Greater London in August 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 August - FAQ
What are the expected maximum and minimum temperatures in Greater London during August?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Greater London during August?
Moderate rainfall is anticipated in Greater London during August, with a total of 75.9 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Greater London during August?
The average wind speed in Greater London during August is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
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