Tromsø Weather in December
December in Tromsø brings very low temperatures, with daytime highs of -1°C (30°F) and nights around -8°C (18°F). Quite a bit of snowfall is expected, around 115 mm (4.5 in), so pack an umbrella.
Rainfall in Tromsø in December
This month experiences about 23 days of snow according to historical data, averaging 115 mm (4.5 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Tromsø in December
Daytime temperatures in Tromsø reach -1°C (30°F) in December, dropping to -8°C (18°F) at night. The winter season takes place during December. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. Nights are well below freezing at -8°C (18°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.
Sunshine in Tromsø in December
The month has fewer sunny days, with around 0 hours of sunshine.December in Tromsø can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Tromsø's climate page.
Tromsø Temperature in December
Min Temperature
-8°C (18°F)
Max Temperature
-1°C (30°F)
Chance of Rain
77%
Precipitation
115 mm (4.5 in)
Rainy days
23 days
Sunshine
0 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Tromsø typically stay consistent throughout December, with daily highs averaging around -1°C (30°F). Nights are very cold, with lows typically ranging from -8°C (18°F) to -3°C (27°F).
Average temperatures in December
Historical weather for Tromsø in December
Browse day-by-day weather records for Tromsø spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tromsø historical weather extremes in December
Our historical data for Tromsø spans 1976 to 2025, revealing these weather extremes.
- The hottest December day on record in Tromsø reached 10°C (50°F) (December 21, 2016).
- On December 13, 1989, Tromsø saw its coldest December day with temperatures maxing out at -13°C (9°F).
Best Places in Norway in December
Find out more about the weather in Norway and which places have the best travel conditions in this month. See all of Norway in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Tromsø in December
It's wise to bundle up for freezing conditions in Tromsø in December. If you have a winter jacket with good insulation, waterproof winter boots, thermal layers, and warm accessories it's smart to pack them. Hand and foot warmers can be lifesavers, especially during the night. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Tromsø in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Tromsø's climate page.
See the full Tromsø climate overview or explore weather in Norway.
