Newhaven weather in January 2026

Q: How cold is it in Newhaven in January?

Daytime temperatures usually reach 7°C in Newhaven in January, falling to 2°C at night.

Q: How sunny is it in Newhaven in January?

There are normally 2 hours of bright sunshine each day in Newhaven in January - that's 20% of daylight hours.

Q: Is the sea cold around Newhaven in January?

The average sea temperature around Newhaven in January is 9°C.

Q: Does it rain in Newhaven in January?

There are usually 17 days with some rain in Newhaven in January and the average monthly rainfall is 100mm.

Expect daytime maximum temperatures of 7°C in Newhaven, England 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 100 mm of rainfall in the month.

7
7°C max day temperature
2
2 hours of sunshine per day
17
17 days with some rainfall
2
2°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
100
100 mm of monthly rainfall
1
1 (Low) UV index
9
9°C sea temperature

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The January weather guide for England (Newhaven) 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.

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