Trondheim
January
Weather in Trondheim for January 2026
Your guide to Trondheim weather in January - trends and predictions
Expect heavy snowfall in Trondheim during January, with an average of 20 snowy days.
In general, the average temperature in Trondheim at the beginning of January is -6.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 1.1 °C by the end of January.
Snow Forecast ❄️
Temperatures
8
Dry days
3
Rainy days
20
Snow days
-2°/-7°
Temperatures
16 km/h
Avg max wind
87 %
Avg humidity
Trondheim in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -6° | 2  -8° | 3 -6° | 4 -9° | |||
| 5 -5° | 6 -5° | 7  -5° | 8  2° | 9  -3° | 10 -0° | 11 2° |
| 12 -0° | 13 2° | 14 1° | 15 -1° | 16 -1° | 17  -2° | 18 -5° |
| 19 -6° | 20 -1° | 21 -1° | 22 -1° | 23  -1° | 24  1° | 25 3° |
| 26  2° | 27 0° | 28 1° | 29 1° | 30 -0° | 31 1° |
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Temperatures trend during January in Trondheim
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Light freezing rain | -6° /-13° | 0.9 mm | 0.3 cm | |
| 2 Jan. | Overcast | -8° /-11° | 3.5 mm | 1.5 cm | |
| 3 Jan. | Overcast | -6° /-13° | 4 mm | 2.4 cm | |
| 4 Jan. | Overcast | -9° /-13° | 7 mm | 5 cm | |
| 5 Jan. | Light freezing rain | -5° /-13° | 2 mm | 1.3 cm | |
| 6 Jan. | Light freezing rain | -5° /-13° | 1.1 mm | 0.6 cm | |
| 7 Jan. | Patchy moderate snow | -5° /-11° | 4.5 mm | 2.4 cm | |
| 8 Jan. | Moderate or heavy snow showers | 2° /-5° | 3.6 mm | 2.3 cm | |
| 9 Jan. | Partly cloudy | -3° /-5° | 1.2 mm | 0.1 cm | |
| 10 Jan. | Overcast | 0° /-8° | 1.3 mm | 0.2 cm | |
| 11 Jan. | Light freezing rain | 2° /-4° | 3.1 mm | 0.4 cm | |
| 12 Jan. | Patchy moderate snow | 0° /-4° | 2.6 mm | 0.5 cm | |
| 13 Jan. | Partly cloudy | 2° /-4° | 4.7 mm | 1.8 cm | |
| 14 Jan. | Overcast | 1° /-4° | 4.2 mm | 1.7 cm | |
| 15 Jan. | Light freezing rain | -1° /-7° | 6.6 mm | 0.3 cm | |
| 16 Jan. | Patchy moderate snow | -1° /-8° | 2.5 mm | 0.9 cm | |
| 17 Jan. | Cloudy | -2° /-10° | 0.4 mm | 0.1 cm | |
| 18 Jan. | Light freezing rain | -5° /-9° | 0.3 mm | 0.1 cm | |
| 19 Jan. | Overcast | -6° /-10° | 0.3 mm | 0 cm | |
| 20 Jan. | Overcast | -1° /-8° | 0.9 mm | 0.3 cm | |
| 21 Jan. | Partly cloudy | -1° /-8° | 1.1 mm | 0.7 cm | |
| 22 Jan. | Partly cloudy | -1° /-8° | 0.1 mm | 0.1 cm | |
| 23 Jan. | Moderate snow | -1° /-6° | 7.6 mm | 5.4 cm | |
| 24 Jan. | Moderate rain at times | 1° /-4° | 4.9 mm | 3 cm | |
| 25 Jan. | Moderate or heavy rain shower | 3° /-2° | 4.5 mm | 0.9 cm | |
| 26 Jan. | Heavy snow | 2° /-4° | 2 mm | 1 cm | |
| 27 Jan. | Light freezing rain | 0° /-4° | 1.1 mm | 0.5 cm | |
| 28 Jan. | Moderate rain at times | 1° /-2° | 5.9 mm | 1.9 cm | |
| 29 Jan. | Moderate or heavy rain shower | 1° /-4° | 11.2 mm | 4.8 cm | |
| 30 Jan. | Patchy moderate snow | 0° /-5° | 2.8 mm | 1 cm | |
| 31 Jan. | Light freezing rain | 1° /-5° | 3.1 mm | 1.4 cm | |
| Next | |||||
Important Notice
Our weather forecast for Trondheim in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Trondheim forecast closer to your planned date for the most up-to-date weather information.
Trondheim in January - FAQ
What are the expected maximum and minimum temperatures in Trondheim during January?
Brace for cold days with temperatures not exceeding -2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Trondheim during January?
Moderate rainfall is anticipated in Trondheim during January, with a total of 94.8 mm spread over approximately 3 days. Considering plans for rainy days is advisable.
Will it snow in Trondheim in January 2026?
Trondheim experiences an average snowfall of 38.835 cm during January, occurring over 20 days.
What are the typical wind conditions in Trondheim during January?
The average wind speed in Trondheim during January is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Trondheim snow forecast January 2026
Track daily snowfall levels and discover Trondheim’s snowy potential this January ❄️
January rainfall patterns in Trondheim
Explore the daily rainfall trends and prepare for Trondheims January weather 💧
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