West Sussex weather in December 2025

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

Daytime temperatures usually reach 8°C in Bognor Regis, West Sussex in December, falling to 3°C at night.

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

There are normally 2 hours of bright sunshine each day in Bognor Regis, West Sussex in December - that's 25% of daylight hours.

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

The average sea temperature around Bognor Regis, West Sussex in December is 10°C.

Q: Does it rain in West Sussex in December?

There are usually 16 days with some rain in Bognor Regis, West Sussex in December and the average monthly rainfall is 80mm.

Expect daytime maximum temperatures of 8°C in West Sussex in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 16 days with some rainfall and typically 80 mm of rainfall in the month.

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
80
80 mm of monthly rainfall
1
1 (Low) UV index
10
10°C sea temperature

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The December 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)

More about the UK

How warm is it in West Sussex in December?

Daytime temperatures usually reach 8°C in Bognor Regis, West Sussex in December, falling to 3°C at night.

How sunny is it in West Sussex in December?

There are normally 2 hours of bright sunshine each day in Bognor Regis, West Sussex in December - that's 25% of daylight hours.

Is the sea cold around West Sussex in December?

The average sea temperature around Bognor Regis, West Sussex in December is 10°C.

Does it rain in West Sussex in December?

There are usually 16 days with some rain in Bognor Regis, West Sussex in December and the average monthly rainfall is 80mm.

West Sussex December sunrise & sunset times

Browse the sunrise and sunset times for West Sussex in December 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.

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