Falmouth weather in January 2026

Q: How warm is it in Falmouth in January?

Daytime temperatures usually reach 9°C in Falmouth in January, falling to 4°C at night.

Q: How sunny is it in Falmouth in January?

There are normally 2 hours of bright sunshine each day in Falmouth in January - that's 21% of daylight hours.

Q: Is the sea cold around Falmouth in January?

The average sea temperature around Falmouth in January is 10°C.

Q: Does it rain in Falmouth in January?

There are usually 22 days with some rain in Falmouth in January and the average monthly rainfall is 131mm.

Expect daytime maximum temperatures of 9°C in Falmouth, England in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 22 days with some rainfall and typically 131 mm of rainfall in the month.

9
9°C max day temperature
2
2 hours of sunshine per day
22
22 days with some rainfall
4
4°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
131
131 mm of monthly rainfall
1
1 (Low) UV index
10
10°C sea temperature

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The January weather guide for England (Falmouth) 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)