Svalbard weather in October 2025

Expect daytime maximum temperatures of -4°C in Svalbard in October based on long-term weather averages. There is 1 hour of sunshine per day on average with 13 days with some rainfall, which might fall as snow.

  • -4°C maximum daytime temperature in October in Svalbard (Longyearbyen)-4
    -4°C max day temperature
  • 1 hour of sunshine per day
  • 13 days with some rainfall in October in Svalbard (Longyearbyen)13
    13 days with some rainfall
  • -9°C minimum night-time temperature in October in Svalbard (Longyearbyen)-9
    -9°C min night temperature
  • 5 hours of daylight per day in October in Svalbard (Longyearbyen)5
    5 hours of daylight per day
  • No heat & humidity in October in Svalbard (Longyearbyen)0
    No heat & humidity
  • 19 mm monthly rainfall in October in Svalbard (Longyearbyen)19
    19 mm of monthly rainfall
  • No UV (maximum) index in October in Svalbard (Longyearbyen)0
    No UV (Maximum) Index UV index
  • -1°C sea temperature in October in Svalbard (Longyearbyen)-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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How cold is it in Svalbard in October?

Daytime temperatures usually reach -4°C in Longyearbyen, Svalbard in October, falling to -9°C at night.

How sunny is it in Svalbard in October?

There are normally 1 hour of bright sunshine each day in Longyearbyen, Svalbard in October - that's 18% of daylight hours.

Is the sea cold around Svalbard in October?

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

Does it rain in Svalbard in October?

There are usually 13 days with some rain in Longyearbyen, Svalbard in October and the average monthly rainfall is 19mm. Rain may fall as snow in this month.

Svalbard October sunrise & sunset times

Browse the sunrise and sunset times for Svalbard in October 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
Wednesday, 1st October 2025 06:34 16:56
Thursday, 16th October 2025 08:37 14:46
Friday, 31st October 2025 Darkness all day

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