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.