Jan Mayen weather in January 2026

Q: How cold is it in Jan Mayen in January?

Daytime temperatures usually reach -5°C in Jan Mayen in January, falling to -10°C at night.

Q: How sunny is it in Jan Mayen in January?

There are normally 0 hours of bright sunshine each day in Jan Mayen in January - that's 0% of daylight hours.

Q: Is the sea cold around Jan Mayen in January?

The average sea temperature around Jan Mayen in January is 0°C.

Q: Does it rain in Jan Mayen in January?

There are usually 20 days with some rain in Jan Mayen in January and the average monthly rainfall is 76mm. Rain may fall as snow in this month.

Expect -5°C daytime maximum temperatures in the shade with on average 0 hour of sunshine per day in Jan Mayen in January based on long-term weather averages. There is usually 20 days with some rainfall and 76 mm of average monthly rainfall in January.

-5
-5°C max day temperature
0
0 hours of sunshine per day
20
20 days with some rainfall
-10
-10°C min night temperature
1
1 hour of daylight per day
0
No heat & humidity
76
76 mm of monthly rainfall
0
No UV (Maximum) Index UV index
0
0°C sea temperature

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The January weather guide for Jan Mayen 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)

How cold is it in Jan Mayen in January?

Daytime temperatures usually reach -5°C in Jan Mayen in January, falling to -10°C at night.

How sunny is it in Jan Mayen in January?

There are normally 0 hours of bright sunshine each day in Jan Mayen in January - that's 0% of daylight hours.

Is the sea cold around Jan Mayen in January?

The average sea temperature around Jan Mayen in January is 0°C.

Does it rain in Jan Mayen in January?

There are usually 20 days with some rain in Jan Mayen in January and the average monthly rainfall is 76mm. Rain may fall as snow in this month.