Greater London weather in August 2025

Q: How hot is it in Greater London in August?

Daytime temperatures usually reach 22°C in London, Greater London in August, falling to 13°C at night.

Q: How sunny is it in Greater London in August?

There are normally 6 hours of bright sunshine each day in London, Greater London in August - that's 41% of daylight hours.

Q: Does it rain in Greater London in August?

There are usually 12 days with some rain in London, Greater London in August and the average monthly rainfall is 56mm.

Expect 22°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Greater London in August. Check more long-term weather averages for Greater London in August before you book your next holiday to Greater London in 2025/2026.

22
22°C max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
13
13°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
56
56 mm of monthly rainfall
5
5 (Moderate) UV index

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The August weather guide for Greater London (London) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about the UK

How hot is it in Greater London in August?

Daytime temperatures usually reach 22°C in London, Greater London in August, falling to 13°C at night.

How sunny is it in Greater London in August?

There are normally 6 hours of bright sunshine each day in London, Greater London in August - that's 41% of daylight hours.

Does it rain in Greater London in August?

There are usually 12 days with some rain in London, Greater London in August and the average monthly rainfall is 56mm.

Greater London August sunrise & sunset times

Browse the sunrise and sunset times for Greater London in August 2025. Select a month to view Greater London sunrise and sunset times for the next 12 months.

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