Tromso weather in October 2025

Expect 4°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Tromso in October. Check more long-term weather averages for Tromso in October before you book your next holiday to Norway in 2025/2026.

  • 4°C maximum daytime temperature in October in Tromso4
    4°C max day temperature
  • 2 hours of sunshine per day
  • 24 days with some rainfall in October in Tromso24
    24 days with some rainfall
  • -2°C minimum night-time temperature in October in Tromso-2
    -2°C min night temperature
  • 9 hours of daylight per day in October in Tromso9
    9 hours of daylight per day
  • No heat & humidity in October in Tromso0
    No heat & humidity
  • 118 mm monthly rainfall in October in Tromso118
    118 mm of monthly rainfall
  • No UV (maximum) index in October in Tromso0
    No UV (Maximum) Index UV index
  • 8°C sea temperature in October in Tromso8
    8°C sea temperature

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The October weather guide for Norway (Tromso) 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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More about Norway

How cold is it in Tromso in October?

Daytime temperatures usually reach 4°C in Tromso in October, falling to -2°C at night.

How sunny is it in Tromso in October?

There are normally 2 hours of bright sunshine each day in Tromso in October - that's 18% of daylight hours.

Is the sea cold around Tromso in October?

The average sea temperature around Tromso in October is 8°C.

Does it rain in Tromso in October?

There are usually 24 days with some rain in Tromso in October and the average monthly rainfall is 118mm. Rain may fall as snow in this month.

Tromso October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:00 17:06
Thursday, 16th October 2025 07:00 15:58
Friday, 31st October 2025 08:07 14:47

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