Gardermoen Weather in December
Gardermoen in December averages 1°C (34°F) during the day and -5°C (23°F) at night. This is part of the winter season, and quite a bit of snow/rainfall is expected this month.
Rainfall in Gardermoen in December
Snow/rain is expected on roughly 17 days, totalling around 72 mm (2.8 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Gardermoen in December
December in Gardermoen brings very low temperatures, with highs of 1°C (34°F) and nights around -5°C (23°F). The winter season takes place during December. Expect a distinctly cold feel throughout the day, not just overnight. With lows of -5°C (23°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. This month is extremely cold, so be sure to dress in layers to keep warm. Proper preparation can help you stay comfortable.
Sunshine in Gardermoen in December
The city usually sees around 39 hours of sunlight, indicating fewer sunny days.
Wind Speed in Gardermoen in December
Average wind conditions reach 1 m/s (2 knots) in December. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.
Average water temperature in December
At 6°C (43°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Gardermoen. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Gardermoen's climate page.
Gardermoen Temperature in December
Min Temperature
-5°C (23°F)
Max Temperature
1°C (34°F)
Water Temperature
6°C (43°F) *
Chance of Rain
55%
Precipitation
72 mm (2.8 in)
Rainy days
17 days
Humidity
86% *
Windspeed
1 m/s (2 knots) *
Sunshine
39 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Gardermoen typically stay consistent throughout December, with daily highs averaging around 1°C (34°F). Nights are very cold, with lows typically ranging from -9°C (16°F) to -5°C (23°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Gardermoen in December
Browse day-by-day weather records for Gardermoen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
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 Gardermoen in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 6°C (43°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Gardermoen 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 Gardermoen's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Gardermoen climate overview or explore weather in Norway.
