Jan Mayen weather in October 2025

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

Daytime temperatures usually reach 1°C in Jan Mayen in October, falling to -4°C at night.

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

There are normally 1 hour of bright sunshine each day in Jan Mayen in October - that's 9% of daylight hours.

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

The average sea temperature around Jan Mayen in October is 3°C.

Q: Does it rain in Jan Mayen in October?

There are usually 20 days with some rain in Jan Mayen in October and the average monthly rainfall is 92mm. Rain may fall as snow in this month.

Expect 1°C daytime maximum temperatures in the shade with on average 1 hours of sunshine per day in Jan Mayen in October. Check more long-term weather averages for Jan Mayen in October before you book your next holiday to Jan Mayen in 2025/2026.

1
1°C max day temperature
1
1 hour of sunshine per day
20
20 days with some rainfall
-4
-4°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
92
92 mm of monthly rainfall
0
No UV (Maximum) Index UV index
3
3°C sea temperature

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The October 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 October?

Daytime temperatures usually reach 1°C in Jan Mayen in October, falling to -4°C at night.

How sunny is it in Jan Mayen in October?

There are normally 1 hour of bright sunshine each day in Jan Mayen in October - that's 9% of daylight hours.

Is the sea cold around Jan Mayen in October?

The average sea temperature around Jan Mayen in October is 3°C.

Does it rain in Jan Mayen in October?

There are usually 20 days with some rain in Jan Mayen in October and the average monthly rainfall is 92mm. Rain may fall as snow in this month.