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East Sussex weather in August 2025
Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in East Sussex in August. Check more long-term weather averages for East Sussex in August before you book your next holiday to East Sussex in 2025/2026.
- 2020°C max day temperature
- 7 hours of sunshine per day
- 1111 days with some rainfall
- 1313°C min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 5656 mm of monthly rainfall
- 66 (High) UV index
- 1717°C sea temperature
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The August weather guide for East Sussex (Eastbourne) 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.
Top East Sussex destinations
Below are average maximum temperatures at popular countries, regions and places in East Sussex in August. Select a holiday destination to see more weather parameters.
Metric (°C / mm) | Imperial (°F / inches)
More about the UK
How hot is it in East Sussex in August?
Daytime temperatures usually reach 20°C in Eastbourne, East Sussex in August, falling to 13°C at night.
How sunny is it in East Sussex in August?
There are normally 7 hours of bright sunshine each day in Eastbourne, East Sussex in August - that's 48% of daylight hours.
How warm is the sea around East Sussex in August?
The average sea temperature around Eastbourne, East Sussex in August is 17°C.
Does it rain in East Sussex in August?
There are usually 11 days with some rain in Eastbourne, East Sussex in August and the average monthly rainfall is 56mm.
East Sussex August sunrise & sunset times
Browse the sunrise and sunset times for East Sussex in August 2025. Select a month to view East Sussex sunrise and sunset times for the next 12 months. The East Sussex sunrise and sunset times shown below are for Eastbourne.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 04:26 | 19:44 |
Saturday, 16th August 2025 | 04:48 | 19:17 |
Sunday, 31st August 2025 | 05:11 | 18:46 |
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