Trondheim Weather in December
With daytime temperatures of 2°C (36°F) and nighttime lows of -4°C (25°F), December in Trondheim brings very low temperatures during the day. Do keep in mind that quite a bit of snow/rainfall is typical. Around 115 mm (4.5 in) falls on average.
Rainfall in Trondheim in December
The climate data from previous years indicates about 22 days of snow/rain, averaging 115 mm (4.5 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Trondheim in December
Expect highs of 2°C (36°F) in Trondheim in December, with nights dropping to around -4°C (25°F). December is part of the winter season. Expect a distinctly cold feel throughout the day, not just overnight. Nights are well below freezing at -4°C (25°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 Trondheim in December
The month has fewer sunny days, with around 19 hours of sunshine.
Wind Speed in Trondheim in December
Wind speeds average 3 m/s (6 knots) during December. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
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.December in Trondheim has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, 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 Trondheim's climate page.
Trondheim Temperature in December
Min Temperature
-4°C (25°F)
Max Temperature
2°C (36°F)
Water Temperature
6°C (43°F)
Chance of Rain
72%
Precipitation
115 mm (4.5 in)
Rainy days
22 days
Humidity
79%
Windspeed
3 m/s (6 knots)
Sunshine
19 hours
Percentage Sunshine
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 Trondheim in December
Dress warmly and in layers for your trip to Trondheim in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 6°C (43°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Trondheim 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 Trondheim's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Trondheim climate overview or explore weather in Norway.
