Brighton weather in August 2025

Expect daytime maximum temperatures of 21°C in Brighton, England in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 66 mm of rainfall in the month.

  • 21°C maximum daytime temperature in August in Brighton21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in August in Brighton12
    12 days with some rainfall
  • 12°C minimum night-time temperature in August in Brighton12
    12°C min night temperature
  • 14 hours of daylight per day in August in Brighton14
    14 hours of daylight per day
  • No heat & humidity in August in Brighton0
    No heat & humidity
  • 66 mm monthly rainfall in August in Brighton66
    66 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Brighton6
    6 (High) UV index
  • 17°C sea temperature in August in Brighton17
    17°C sea temperature

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The August weather guide for England (Brighton) 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 Brighton in August?

Daytime temperatures usually reach 21°C in Brighton in August, falling to 12°C at night.

How sunny is it in Brighton in August?

There are normally 7 hours of bright sunshine each day in Brighton in August - that's 46% of daylight hours.

How warm is the sea around Brighton in August?

The average sea temperature around Brighton in August is 17°C.

Does it rain in Brighton in August?

There are usually 12 days with some rain in Brighton in August and the average monthly rainfall is 66mm.

Brighton August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:27 19:46
Saturday, 16th August 2025 04:50 19:19
Sunday, 31st August 2025 05:13 18:48

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