London weather in August 2025

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

  • 22°C maximum daytime temperature in August in London22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in August in London12
    12 days with some rainfall
  • 13°C minimum night-time temperature in August in London13
    13°C min night temperature
  • 15 hours of daylight per day in August in London15
    15 hours of daylight per day
  • No heat & humidity in August in London0
    No heat & humidity
  • 56 mm monthly rainfall in August in London56
    56 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in London5
    5 (Moderate) UV index

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The August weather guide for England (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)

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More about England

How hot is it in London in August?

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

How sunny is it in London in August?

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

Does it rain in London in August?

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

London August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:24 19:48
Saturday, 16th August 2025 04:48 19:21
Sunday, 31st August 2025 05:12 18:49

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