West Sussex weather in August 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in West Sussex in August. Check more long-term weather averages for West Sussex in August before you book your next holiday to West Sussex in 2025/2026.

  • 20°C maximum daytime temperature in August in West Sussex (Bognor Regis)20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in August in West Sussex (Bognor Regis)11
    11 days with some rainfall
  • 13°C minimum night-time temperature in August in West Sussex (Bognor Regis)13
    13°C min night temperature
  • 14 hours of daylight per day in August in West Sussex (Bognor Regis)14
    14 hours of daylight per day
  • No heat & humidity in August in West Sussex (Bognor Regis)0
    No heat & humidity
  • 53 mm monthly rainfall in August in West Sussex (Bognor Regis)53
    53 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in West Sussex (Bognor Regis)6
    6 (High) UV index
  • 18°C sea temperature in August in West Sussex (Bognor Regis)18
    18°C sea temperature

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The August weather guide for West Sussex (Bognor Regis) 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.

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

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More about the UK

How hot is it in West Sussex in August?

Daytime temperatures usually reach 20°C in Bognor Regis, West Sussex in August, falling to 13°C at night.

How sunny is it in West Sussex in August?

There are normally 7 hours of bright sunshine each day in Bognor Regis, West Sussex in August - that's 48% of daylight hours.

How warm is the sea around West Sussex in August?

The average sea temperature around Bognor Regis, West Sussex in August is 18°C.

Does it rain in West Sussex in August?

There are usually 11 days with some rain in Bognor Regis, West Sussex in August and the average monthly rainfall is 53mm.

West Sussex August sunrise & sunset times

Browse the sunrise and sunset times for West Sussex in August 2025. Select a month to view West Sussex sunrise and sunset times for the next 12 months. The West Sussex sunrise and sunset times shown below are for Bognor Regis.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:29 19:48
Saturday, 16th August 2025 04:52 19:21
Sunday, 31st August 2025 05:15 18:50

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