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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.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
11
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/14°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Greater London in August average weather

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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
Patchy rain possible
24° /16° 1.7 mm 6
2 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /16° 7.5 mm 6
3 Aug. Overcast
Overcast
23° /15° 0.6 mm 5
4 Aug. Moderate rain at times
Moderate rain at times
20° /14° 0.8 mm 5
5 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /12° 8.8 mm 6
6 Aug. Patchy rain possible
Patchy rain possible
21° /13° 3.3 mm 5
7 Aug. Cloudy
Cloudy
21° /12° 0 mm 5
8 Aug. Patchy rain possible
Patchy rain possible
20° /12° 1 mm 5
9 Aug. Sunny
Sunny
24° /15° 0.2 mm 6
10 Aug. Partly cloudy
Partly cloudy
25° /14° 0 mm 6
11 Aug. Patchy rain possible
Patchy rain possible
25° /17° 0.2 mm 6
12 Aug. Patchy rain possible
Patchy rain possible
28° /16° 0.2 mm 7
13 Aug. Patchy rain possible
Patchy rain possible
25° /16° 0.2 mm 6
14 Aug. Heavy rain at times
Heavy rain at times
23° /16° 4.6 mm 5
15 Aug. Patchy rain possible
Patchy rain possible
23° /14° 0.1 mm 5
16 Aug. Patchy rain possible
Patchy rain possible
25° /15° 1 mm 6
17 Aug. Cloudy
Cloudy
24° /15° 0 mm 6
18 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /15° 2.8 mm 6
19 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /16° 2.6 mm 6
20 Aug. Patchy rain possible
Patchy rain possible
23° /14° 0.8 mm 5
21 Aug. Sunny
Sunny
23° /13° 0 mm 6
22 Aug. Cloudy
Cloudy
22° /15° 0.1 mm 5
23 Aug. Overcast
Overcast
24° /15° 0.6 mm 6
24 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /14° 10.9 mm 5
25 Aug. Overcast
Overcast
20° /12° 0.7 mm 5
26 Aug. Light rain shower
Light rain shower
21° /13° 1.5 mm 5
27 Aug. Overcast
Overcast
22° /13° 0.3 mm 6
28 Aug. Overcast
Overcast
24° /14° 0.2 mm 6
29 Aug. Overcast
Overcast
22° /13° 0.1 mm 6
30 Aug. Overcast
Overcast
21° /12° 0.8 mm 5
31 Aug. Light drizzle
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.

August rainfall patterns in Greater London

Explore the daily rainfall trends and prepare for Greater Londons August weather 💧

UV exposure in Greater London during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Greater London?

Get accurate weather forecasts for Greater London, located at latitude 51.509 and longitude -0.126. Stay updated with localized weather information tailored for Greater London.

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