Trondheim Weather in January
During January, Trondheim experiences very low daytime temperatures of 2°C (36°F) and cooler nights around -5°C (23°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 106 mm (4.2 in) is typical.
Rainfall in Trondheim in January
Typically, you can expect about 22 days of snow/rain this month, with 106 mm (4.2 in) on average. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Trondheim in January
In January, Trondheim sees very low temperatures, with highs of 2°C (36°F). Nights drop to around -5°C (23°F). Winter occurs in January. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. Nights drop below freezing to -5°C (23°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. It is the coldest month of the year, so be sure to pack proper winter clothing for the conditions.Pack accordingly with warm clothes.
Sunshine in Trondheim in January
The month has fewer sunny days, with around 36 hours of sunshine.If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Trondheim. 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 Trondheim's climate page.
Trondheim Temperature in January
Min Temperature
-5°C (23°F)
Max Temperature
2°C (36°F)
Chance of Rain
72%
Precipitation
106 mm (4.2 in)
Rainy days
22 days
Humidity
78% *
Sunshine
36 hours *
Percentage Sunshine
*
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Trondheim typically stay consistent throughout January, with daily highs averaging around 2°C (36°F). Nights are very cold, with lows typically ranging from -7°C (19°F) to -3°C (27°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Trondheim in January
Browse day-by-day weather records for Trondheim spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Trondheim historical weather extremes in January
Based on weather observations in Trondheim between 1976 and 2025, these are the recorded extremes during January.
- On January 20, 2020, temperatures climbed to 12°C (54°F), marking the warmest January day on record.
Best Places in Norway in January
Find out more about the weather in Norway and which places have the best travel conditions in this month. See all of Norway in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Trondheim in January
We recommend to layer up for chilly conditions in Trondheim in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Trondheim in January
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
See the full Trondheim climate overview or explore weather in Norway.
