East Sussex weather in May 2025

Expect 15°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in East Sussex in May. Check more long-term weather averages for East Sussex in May before you book your next holiday to East Sussex in 2025/2026.

  • 15°C maximum daytime temperature in May in East Sussex (Eastbourne)15
    15°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in May in East Sussex (Eastbourne)13
    13 days with some rainfall
  • 8°C minimum night-time temperature in May in East Sussex (Eastbourne)8
    8°C min night temperature
  • 16 hours of daylight per day in May in East Sussex (Eastbourne)16
    16 hours of daylight per day
  • No heat & humidity in May in East Sussex (Eastbourne)0
    No heat & humidity
  • 48 mm monthly rainfall in May in East Sussex (Eastbourne)48
    48 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in East Sussex (Eastbourne)6
    6 (High) UV index
  • 11°C sea temperature in May in East Sussex (Eastbourne)11
    11°C sea temperature

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The May 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 May. Select a holiday destination to see more weather parameters.

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

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More about the UK

How warm is it in East Sussex in May?

Daytime temperatures usually reach 15°C in Eastbourne, East Sussex in May, falling to 8°C at night.

How sunny is it in East Sussex in May?

There are normally 7 hours of bright sunshine each day in Eastbourne, East Sussex in May - that's 46% of daylight hours.

Is the sea cold around East Sussex in May?

The average sea temperature around Eastbourne, East Sussex in May is 11°C.

Does it rain in East Sussex in May?

There are usually 13 days with some rain in Eastbourne, East Sussex in May and the average monthly rainfall is 48mm.

East Sussex May sunrise & sunset times

Browse the sunrise and sunset times for East Sussex in May 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
Thursday, 1st May 2025 04:33 19:20
Friday, 16th May 2025 04:08 19:43
Saturday, 31st May 2025 03:52 20:02

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