Tromsø
December
Weather in Tromsø for December 2025
Your guide to Tromsø weather in December - trends and predictions
Snow Avalanche Warning - See hour by hour.
Tromsø is transformed into a snow paradise in December, with more than 20 snowy days on average.
According to Tromsø snow forecast for December 2025, 8 snowy days are expected in the next 2 weeks. The closest date with snow is Saturday, 13 December.So far, December 2025 in Tromsø is slightly warmer than the historical average by 0.6 °C.
The forecast for the coming days of December 2025 predicts a temperature of 0.5 °C , which is warmer than usual.
In general, the average temperature in Tromsø at the beginning of December is -4.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of -3.1 °C by the end of December.
Official Weather Alert ⚠️
Snow Forecast ❄️
Temperatures
3
Dry days
1
Rainy days
27
Snow days
-5°/-9°
Temperatures
22 km/h
Avg max wind
81 %
Avg humidity
Tromsø Weather December
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Temperatures trend during December in Tromsø
See the weather trend as well as the moving average line
December weather in Tromsø day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Heavy snow | -2° /-9° | 5.4 mm | 3.6 cm | |
| 2 Dec. |  Sunny | -4° /-9° | 2.9 mm | 2 cm | |
| 3 Dec. | Sunny | -5° /-9° | 3.8 mm | 2.6 cm | |
| 4 Dec. | Sunny | -4° /-8° | 4.5 mm | 2.5 cm | |
| 5 Dec. |  Light freezing rain | -4° /-8° | 4.5 mm | 1.2 cm | |
| 6 Dec. |  Overcast | -5° /-10° | 0.9 mm | 0.3 cm | |
| 7 Dec. | Overcast | -6° /-10° | 0.6 mm | 0.4 cm | |
| 8 Dec. | Overcast | -6° /-9° | 2.5 mm | 1 cm | |
| 9 Dec. | Sunny | -5° /-9° | 11.6 mm | 1 cm | |
| 10 Dec. | Overcast | -4° /-10° | 11.3 mm | 0.1 cm | |
| 11 Dec. | Sunny | -5° /-10° | 5.3 mm | 2.4 cm | |
| 12 Dec. |  Cloudy | -6° /-10° | 2.2 mm | 1.3 cm | |
| 13 Dec. |  Patchy moderate snow | -7° /-12° | 0.9 mm | 0.6 cm | |
| 14 Dec. |  Moderate or heavy snow showers | -3° /-9° | 1.6 mm | 0.4 cm | |
| 15 Dec. |  Light drizzle | 2° /-1° | 14.9 mm | 3.9 cm | |
| 16 Dec. |  Patchy rain possible | 4° /3° | 3 mm | 0 cm | |
| 17 Dec. | Patchy rain possible | 3° /-1° | 0.7 mm | 0.5 cm | |
| 18 Dec. | Patchy moderate snow | -1° /-3° | 0.9 mm | 0.7 cm | |
| 19 Dec. | Light freezing rain | 1° /-1° | 0.3 mm | 0 cm | |
| 20 Dec. | Patchy rain possible | 3° /-1° | 0.3 mm | 0 cm | |
| 21 Dec. | Patchy rain possible | 2° /0° | 0.5 mm | 0 cm | |
| 22 Dec. |  Moderate rain | 2° /1° | 6.2 mm | 0 cm | |
| 23 Dec. | Moderate rain | 3° /0° | 5.8 mm | 0 cm | |
| 24 Dec. | Heavy snow | -1° /-1° | 5.7 mm | 4.1 cm | |
| 25 Dec. | Moderate or heavy snow showers | -2° /-3° | 5.4 mm | 3.9 cm | |
| 26 Dec. | Moderate or heavy snow showers | 1° /-3° | 3.9 mm | 2.8 cm | |
| 27 Dec. | Light freezing rain | -4° /-8° | 7.2 mm | 3.2 cm | |
| 28 Dec. | Cloudy | -3° /-9° | 5.3 mm | 2.4 cm | |
| 29 Dec. | Overcast | -5° /-10° | 0.3 mm | 0 cm | |
| 30 Dec. | Overcast | -5° /-9° | 1.5 mm | 0.9 cm | |
| 31 Dec. |  Partly cloudy | -4° /-9° | 1.3 mm | 0.7 cm | |
| Next | |||||
Important Notice
Our weather forecast for Tromsø in December 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 Tromsø forecast closer to your planned date for the most up-to-date weather information.
Change Month
Tromsø in December - FAQ
What are the expected maximum and minimum temperatures in Tromsø during December?
Brace for cold days with temperatures not exceeding -5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Tromsø during December?
Significant rainfall exceeding 117.3 mm is expected in Tromsø during December, occurring over more than 1 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Tromsø in December 2025?
Tromsø experiences an average snowfall of 42.1185 cm during December, occurring over 27 days.
What are the typical wind conditions in Tromsø during December?
The average wind speed in Tromsø during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
Tromsø snow forecast December 2025
Track daily snowfall levels and discover Tromsø’s snowy potential this December ❄️
On average, Tromsø sees 27 snowy days during December, with approximately 42.1 cm of total snowfall.
December rainfall patterns in Tromsø
Explore the daily rainfall trends and prepare for Tromsøs December weather 💧
Typically, Tromsø has 1 rainy days in December with a total of 117.3 mm of rainfall.
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