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Climate · Tromsø

Tromsø in December

Cold and wet, the sun does not rise all month.

Typical weather, averaged over 30 years

December in Tromsø is cold: highs near 28°F, lows near 15°F. Rain or snow falls on about four days a week, and the sun does not rise all month.December in Tromsø is cold: highs near -2°C, lows near -9°C. Rain or snow falls on about four days a week, and the sun does not rise all month.

High
28°F-2°Caverage
Low
15°F-9°Caverage
Wet days
4a week · 54% of days
Daylight
No sunriseon average

Is December a good time to visit Tromsø?

December sits outside Tromsø's best months, which run from July to August. Expect cold days and rain or snow on about four days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Highs near 28°F in December, against 24°F to 64°F through the year.Highs near -2°C in December, against -4°C to 18°C through the year.

Chance of a wet day

54% of days in December, against 51% to 65% through the year.

Cloud cover

75% cover in December, against 62% to 76% through the year.

Daylight

No sunrise for most of December.

Week by week, lightly smoothed, with December shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. November34°1°low 21°low -6°4 wet days a weekRain on about four days a week.
  2. December28°-2°low 15°low -9°4 wet days a weekRain on about four days a week.
  3. January25°-4°low 12°low -11°4 wet days a weekRain on about four days a week.

Where Tromsø sits, in December

Europe/Oslo
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
No sunrise
Above the sea
10 mlow-lying
Latitude
69.7°Nnorthern hemisphere
Nearest of ours
Leinesfjord262 km south-west

The land around Tromsø, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Norway in December

high · low · wet days
See December on the planning mapThe whole year in Tromsø

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Tromsø. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (10 m) against the climate model's (207 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (10 m) against the climate model's (207 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.