Trondheim weather in January 2026

Expect 0°C daytime maximum temperatures in the shade with on average 0 hour of sunshine per day in Trondheim in January based on long-term weather averages. There is usually 22 days with some rainfall and 100 mm of average monthly rainfall in January.

  • 0°C maximum daytime temperature in January in Trondheim0
    0°C max day temperature
  • 0 hours of sunshine per day
  • 22 days with some rainfall in January in Trondheim22
    22 days with some rainfall
  • -5°C minimum night-time temperature in January in Trondheim-5
    -5°C min night temperature
  • 6 hours of daylight per day in January in Trondheim6
    6 hours of daylight per day
  • No heat & humidity in January in Trondheim0
    No heat & humidity
  • 100 mm monthly rainfall in January in Trondheim100
    100 mm of monthly rainfall
  • No UV (maximum) index in January in Trondheim0
    No UV (Maximum) Index UV index
  • 5°C sea temperature in January in Trondheim5
    5°C sea temperature

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The January weather guide for Norway (Trondheim) 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 Trondheim in January?

Daytime temperatures usually reach -0°C in Trondheim in January, falling to -5°C at night.

How sunny is it in Trondheim in January?

There are normally 0 hours of bright sunshine each day in Trondheim in January - that's 7% of daylight hours.

Is the sea cold around Trondheim in January?

The average sea temperature around Trondheim in January is 5°C.

Does it rain in Trondheim in January?

There are usually 22 days with some rain in Trondheim in January and the average monthly rainfall is 100mm. Rain may fall as snow in this month.

Trondheim January sunrise & sunset times

Browse the sunrise and sunset times for Trondheim in January 2026. Select a month to view Trondheim sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 09:59 14:45
Friday, 16th January 2026 09:35 15:22
Saturday, 31st January 2026 08:57 16:08

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