Jan Mayen weather in May 2025

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

Daytime temperatures usually reach -0°C in Jan Mayen in May, falling to -5°C at night.

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

There are normally 5 hours of bright sunshine each day in Jan Mayen in May - that's 24% of daylight hours.

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

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

Q: Does it rain in Jan Mayen in May?

There are usually 13 days with some rain in Jan Mayen in May and the average monthly rainfall is 42mm. Rain may fall as snow in this month.

Expect 0°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Jan Mayen in May. Check more long-term weather averages for Jan Mayen in May before you book your next holiday to Jan Mayen in 2025/2026.

0
0°C max day temperature
5
5 hours of sunshine per day
13
13 days with some rainfall
-5
-5°C min night temperature
19
19 hours of daylight per day
0
No heat & humidity
42
42 mm of monthly rainfall
2
2 (Low) UV index
0
0°C sea temperature

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The May 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 May?

Daytime temperatures usually reach -0°C in Jan Mayen in May, falling to -5°C at night.

How sunny is it in Jan Mayen in May?

There are normally 5 hours of bright sunshine each day in Jan Mayen in May - that's 24% of daylight hours.

Is the sea cold around Jan Mayen in May?

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

Does it rain in Jan Mayen in May?

There are usually 13 days with some rain in Jan Mayen in May and the average monthly rainfall is 42mm. Rain may fall as snow in this month.