Longyearbyen weather in October 2025

Expect -4°C daytime maximum temperatures in the shade with on average 1 hours of sunshine per day in Longyearbyen in October. Check more long-term weather averages for Longyearbyen in October before you book your next holiday to Svalbard in 2025/2026.

• -4
  -4°C max day temperature
• 1
  1 hour of sunshine per day
• 13
  13 days with some rainfall
• -9
  -9°C min night temperature
• 5
  5 hours of daylight per day
• 0
  No heat & humidity
• 19
  19 mm of monthly rainfall
• 0
  No UV (Maximum) Index UV index
• -1
  -1°C sea temperature

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The October 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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Longyearbyen October sunrise & sunset times

Browse the sunrise and sunset times for Longyearbyen in October 2025. Select a month to view Longyearbyen sunrise and sunset times for the next 12 months.

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