Oslo weather in December 2025

Expect daytime maximum temperatures of 0°C in Oslo, Norway in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 16 days with some rainfall and typically 60 mm of rainfall in the month, which might fall as snow.

  • 0°C maximum daytime temperature in December in Oslo0
    0°C max day temperature
  • 1 hour of sunshine per day
  • 16 days with some rainfall in December in Oslo16
    16 days with some rainfall
  • -7°C minimum night-time temperature in December in Oslo-7
    -7°C min night temperature
  • 6 hours of daylight per day in December in Oslo6
    6 hours of daylight per day
  • No heat & humidity in December in Oslo0
    No heat & humidity
  • 60 mm monthly rainfall in December in Oslo60
    60 mm of monthly rainfall
  • No UV (maximum) index in December in Oslo0
    No UV (Maximum) Index UV index
  • 0°C sea temperature in December in Oslo0
    0°C sea temperature

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The December weather guide for Norway (Oslo) 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 Oslo in December?

Daytime temperatures usually reach -0°C in Oslo in December, falling to -7°C at night.

How sunny is it in Oslo in December?

There are normally 1 hour of bright sunshine each day in Oslo in December - that's 17% of daylight hours.

Is the sea cold around Oslo in December?

The average sea temperature around Oslo in December is -0°C.

Does it rain in Oslo in December?

There are usually 16 days with some rain in Oslo in December and the average monthly rainfall is 60mm. Rain may fall as snow in this month.

Oslo December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:52 15:20
Tuesday, 16th December 2025 09:14 15:11
Wednesday, 31st December 2025 09:19 15:22

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