East Sussex weather in June 2025

Q: How hot is it in East Sussex in June?

Daytime temperatures usually reach 18°C in Eastbourne, East Sussex in June, falling to 11°C at night.

Q: How sunny is it in East Sussex in June?

There are normally 8 hours of bright sunshine each day in Eastbourne, East Sussex in June - that's 49% of daylight hours.

Q: How warm is the sea around East Sussex in June?

The average sea temperature around Eastbourne, East Sussex in June is 13°C.

Q: Does it rain in East Sussex in June?

There are usually 11 days with some rain in Eastbourne, East Sussex in June and the average monthly rainfall is 52mm.

Expect 18°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in East Sussex in June. Check more long-term weather averages for East Sussex in June before you book your next holiday to East Sussex in 2025/2026.

18
18°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
11
11°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
52
52 mm of monthly rainfall
6
6 (High) UV index
13
13°C sea temperature

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The June 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 June. 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 June?

Daytime temperatures usually reach 18°C in Eastbourne, East Sussex in June, falling to 11°C at night.

How sunny is it in East Sussex in June?

There are normally 8 hours of bright sunshine each day in Eastbourne, East Sussex in June - that's 49% of daylight hours.

How warm is the sea around East Sussex in June?

The average sea temperature around Eastbourne, East Sussex in June is 13°C.

Does it rain in East Sussex in June?

There are usually 11 days with some rain in Eastbourne, East Sussex in June and the average monthly rainfall is 52mm.

East Sussex June sunrise & sunset times

Browse the sunrise and sunset times for East Sussex in June 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.

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