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Longyearbyen weather in August 2025
Expect 43°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Longyearbyen in August. Check more long-term weather averages for Longyearbyen in August before you book your next holiday to Svalbard in 2025/2026.
- 4343°F max day temperature
- 5 hours of sunshine per day
- 1313 days with some rainfall
- 3636°F min night temperature
- 2323 hours of daylight per day
- 0No heat & humidity
- 1.21.2 inches of monthly rainfall
- 11 (Low) UV index
- 3030°F sea temperature
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Recommended for Svalbard
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) | Imperial (°F)
How cold is it in Longyearbyen in August?
Daytime temperatures usually reach 43°F in Longyearbyen in August, falling to 36°F at night.
How sunny is it in Longyearbyen in August?
There are normally 5 hours of bright sunshine each day in Longyearbyen in August - that's 23% of daylight hours.
How warm is the sea around Longyearbyen in August?
The average sea temperature around Longyearbyen in August is 30°F.
Does it rain in Longyearbyen in August?
There are usually 13 days with some rain in Longyearbyen in August and the average monthly rainfall is 1.2 inches.
Longyearbyen August sunrise & sunset times
Browse the sunrise and sunset times for Longyearbyen in August 2025. Select a month to view Longyearbyen sunrise and sunset times for the next 12 months.
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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