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 72°F 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.

72
72°F max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
55
55°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
2.2
2.2 inches of monthly rainfall
5
5 (Moderate) UV index

More about Greater London

Greater London by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Greater London

English Heritage discount code: 20% off memberships

Exclusive

Save 20% on new English Heritage memberships
Get FREE unlimited access to over 400 historic attractions
Exclusive discount applies to annual & gift memberships

Show discount code

******M20

Redeem English Heritage discount code >>

Expires at 23:59 on Tuesday 31st Dec 2024 · View all English Heritage offers

Places to visit

Destination

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) | Imperial (°F)

More about the UK

How hot is it in Greater London in August?

Daytime temperatures usually reach 72°F in London, Greater London in August, falling to 55°F 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 2.2 inches.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec