Svalbard weather in August 2025

Expect daytime maximum temperatures of 6°C in Svalbard in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall.

  • 6°C maximum daytime temperature in August in Svalbard (Longyearbyen)6
    6°C max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in August in Svalbard (Longyearbyen)13
    13 days with some rainfall
  • 2°C minimum night-time temperature in August in Svalbard (Longyearbyen)2
    2°C min night temperature
  • 23 hours of daylight per day in August in Svalbard (Longyearbyen)23
    23 hours of daylight per day
  • No heat & humidity in August in Svalbard (Longyearbyen)0
    No heat & humidity
  • 30 mm monthly rainfall in August in Svalbard (Longyearbyen)30
    30 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in August in Svalbard (Longyearbyen)1
    1 (Low) UV index
  • -1°C sea temperature in August in Svalbard (Longyearbyen)-1
    -1°C sea temperature

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The August weather guide for Svalbard, represented by Longyearbyen, (Longyearbyen) 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 Svalbard in August?

Daytime temperatures usually reach 6°C in Longyearbyen, Svalbard in August, falling to 2°C at night.

How sunny is it in Svalbard in August?

There are normally 5 hours of bright sunshine each day in Longyearbyen, Svalbard in August - that's 23% of daylight hours.

Is the sea cold around Svalbard in August?

The average sea temperature around Longyearbyen, Svalbard in August is -1°C.

Does it rain in Svalbard in August?

There are usually 13 days with some rain in Longyearbyen, Svalbard in August and the average monthly rainfall is 30mm.

Svalbard August sunrise & sunset times

Browse the sunrise and sunset times for Svalbard in August 2025. Select a month to view Svalbard sunrise and sunset times for the next 12 months. The Svalbard sunrise and sunset times shown below are for Longyearbyen.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 Daylight all day
Saturday, 16th August 2025 Daylight all day
Sunday, 31st August 2025 02:26 21:20

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