Jan Mayen weather in August 2025

Expect 5°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Jan Mayen in August based on long-term weather averages. There is usually 16 days with some rainfall and 68 mm of average monthly rainfall in August.

  • 5°C maximum daytime temperature in August in Jan Mayen5
    5°C max day temperature
  • 3 hours of sunshine per day
  • 16 days with some rainfall in August in Jan Mayen16
    16 days with some rainfall
  • 1°C minimum night-time temperature in August in Jan Mayen1
    1°C min night temperature
  • 15 hours of daylight per day in August in Jan Mayen15
    15 hours of daylight per day
  • No heat & humidity in August in Jan Mayen0
    No heat & humidity
  • 68 mm monthly rainfall in August in Jan Mayen68
    68 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in August in Jan Mayen2
    2 (Low) UV index
  • 6°C sea temperature in August in Jan Mayen6
    6°C sea temperature

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The August 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)

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How cold is it in Jan Mayen in August?

Daytime temperatures usually reach 5°C in Jan Mayen in August, falling to 1°C at night.

How sunny is it in Jan Mayen in August?

There are normally 3 hours of bright sunshine each day in Jan Mayen in August - that's 21% of daylight hours.

Is the sea cold around Jan Mayen in August?

The average sea temperature around Jan Mayen in August is 6°C.

Does it rain in Jan Mayen in August?

There are usually 16 days with some rain in Jan Mayen in August and the average monthly rainfall is 68mm.

Jan Mayen August sunrise & sunset times

Browse the sunrise and sunset times for Jan Mayen in August 2025. Select a month to view Jan Mayen sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 02:20 01:03
Saturday, 16th August 2025 04:25 22:49
Sunday, 31st August 2025 05:41 21:27

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