West Sussex weather in January 2026

Q: How cold is it in West Sussex in January?

Daytime temperatures usually reach 7°C in Bognor Regis, West Sussex in January, falling to 2°C at night.

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

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

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

The average sea temperature around Bognor Regis, West Sussex in January is 8°C.

Q: Does it rain in West Sussex in January?

There are usually 17 days with some rain in Bognor Regis, West Sussex in January and the average monthly rainfall is 80mm.

Expect daytime maximum temperatures of 45°F in West Sussex, UK in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 3.1 inches of rainfall in the month.

45
45°F max day temperature
2
2 hours of sunshine per day
17
17 days with some rainfall
36
36°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
3.1
3.1 inches of monthly rainfall
1
1 (Low) UV index
46
46°F sea temperature

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The January 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) | Imperial (°F)

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How cold is it in West Sussex in January?

Daytime temperatures usually reach 45°F in Bognor Regis, West Sussex in January, falling to 36°F at night.

How sunny is it in West Sussex in January?

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

How warm is the sea around West Sussex in January?

The average sea temperature around Bognor Regis, West Sussex in January is 46°F.

Does it rain in West Sussex in January?

There are usually 17 days with some rain in Bognor Regis, West Sussex in January and the average monthly rainfall is 3.1 inches.

West Sussex January sunrise & sunset times

Browse the sunrise and sunset times for West Sussex in January 2026. 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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec