East Sussex weather in December 2025

Q: How warm is it in East Sussex in December?

Daytime temperatures usually reach 8°C in Eastbourne, East Sussex in December, falling to 3°C at night.

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

There are normally 2 hours of bright sunshine each day in Eastbourne, East Sussex in December - that's 22% of daylight hours.

Q: Is the sea cold around East Sussex in December?

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

Q: Does it rain in East Sussex in December?

There are usually 16 days with some rain in Eastbourne, East Sussex in December and the average monthly rainfall is 85mm.

Expect 8°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in East Sussex in December based on long-term weather averages. There is usually 16 days with some rainfall and 85 mm of average monthly rainfall in December.

8
8°C max day temperature
2
2 hours of sunshine per day
16
16 days with some rainfall
3
3°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
85
85 mm of monthly rainfall
1
1 (Low) UV index
11
11°C sea temperature

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

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

More about the UK

How warm is it in East Sussex in December?

Daytime temperatures usually reach 8°C in Eastbourne, East Sussex in December, falling to 3°C at night.

How sunny is it in East Sussex in December?

There are normally 2 hours of bright sunshine each day in Eastbourne, East Sussex in December - that's 22% of daylight hours.

Is the sea cold around East Sussex in December?

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

Does it rain in East Sussex in December?

There are usually 16 days with some rain in Eastbourne, East Sussex in December and the average monthly rainfall is 85mm.

East Sussex December sunrise & sunset times

Browse the sunrise and sunset times for East Sussex in December 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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