Rjukan
December
Weather in Rjukan for December 2025
Your guide to Rjukan weather in December - trends and predictions
Expect heavy snowfall in Rjukan during December, with an average of 20 snowy days.
In general, the average temperature in Rjukan at the beginning of December is -6.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of -3.9 °C by the end of December.
Snow Forecast ❄️
Temperatures
10
Dry days
1
Rainy days
20
Snow days
-6°/-12°
Temperatures
16 km/h
Avg max wind
89 %
Avg humidity
Rjukan in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -5° | 2  -4° | 3  -7° | 4  -9° | 5  -8° | 6 -7° | 7  -8° |
| 8  -7° | 9  -7° | 10 -5° | 11 -4° | 12 -9° | 13 -6° | 14 -6° |
| 15  1° | 16  3° | 17 0° | 18 2° | 19  1° | 20  -4° | 21 -4° |
| 22 -4° | 23 -9° | 24 -3° | 25 1° | 26 -3° | 27 -3° | 28 -3° |
| 29 -2° | 30 -6° | 31 -11° |
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Temperatures trend during December in Rjukan
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Overcast | -5° /-8° | 0.7 mm | 0 cm | |
| 2 Dec. | Light freezing rain | -4° /-11° | 2.4 mm | 1.5 cm | |
| 3 Dec. | Freezing fog | -7° /-13° | 0.3 mm | 0.2 cm | |
| 4 Dec. | Partly cloudy | -9° /-12° | 0.1 mm | 0.1 cm | |
| 5 Dec. | Sunny | -8° /-13° | 6.9 mm | 5 cm | |
| 6 Dec. | Freezing fog | -7° /-13° | 1.1 mm | 0.7 cm | |
| 7 Dec. | Light snow | -8° /-11° | 2 mm | 1.4 cm | |
| 8 Dec. | Heavy snow | -7° /-12° | 2.5 mm | 2.1 cm | |
| 9 Dec. | Moderate snow | -7° /-9° | 1.7 mm | 1.4 cm | |
| 10 Dec. | Light snow | -5° /-10° | 0.2 mm | 0.2 cm | |
| 11 Dec. | Light snow | -4° /-10° | 0.4 mm | 0.3 cm | |
| 12 Dec. | Freezing fog | -9° /-12° | 0 mm | 0 cm | |
| 13 Dec. | Freezing fog | -6° /-12° | 0 mm | 0 cm | |
| 14 Dec. | Overcast | -6° /-12° | 0 mm | 0 cm | |
| 15 Dec. | Mist | 1° /-10° | 4.1 mm | 1.1 cm | |
| 16 Dec. | Light drizzle | 3° /-4° | 2.3 mm | 0.1 cm | |
| 17 Dec. | Fog | 0° /-6° | 0 mm | 0 cm | |
| 18 Dec. | Overcast | 2° /-4° | 3.9 mm | 2.8 cm | |
| 19 Dec. | Moderate or heavy snow with thunder | 1° /-6° | 0.4 mm | 0.2 cm | |
| 20 Dec. | Light snow showers | -4° /-12° | 0.3 mm | 0.2 cm | |
| 21 Dec. | Heavy snow | -4° /-11° | 6.1 mm | 5 cm | |
| 22 Dec. | Overcast | -4° /-15° | 0.3 mm | 0.2 cm | |
| 23 Dec. | Sunny | -9° /-15° | 0.4 mm | 0.3 cm | |
| 24 Dec. | Heavy snow | -3° /-13° | 1.7 mm | 1.4 cm | |
| 25 Dec. | Partly cloudy | 1° /-6° | 0.6 mm | 0.4 cm | |
| 26 Dec. | Overcast | -3° /-8° | 0 mm | 0 cm | |
| 27 Dec. | Overcast | -3° /-8° | 0.9 mm | 0.7 cm | |
| 28 Dec. | Moderate snow | -3° /-9° | 3.3 mm | 2.8 cm | |
| 29 Dec. | Moderate snow | -2° /-8° | 3.1 mm | 2 cm | |
| 30 Dec. | Moderate snow | -6° /-12° | 0.8 mm | 0.6 cm | |
| 31 Dec. | Moderate snow | -11° /-14° | 5.9 mm | 4.4 cm | |
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Important Notice
Our weather forecast for Rjukan 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 Rjukan forecast closer to your planned date for the most up-to-date weather information.
Rjukan in December - FAQ
What are the expected maximum and minimum temperatures in Rjukan during December?
Brace for cold days with temperatures not exceeding -6° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Rjukan during December?
Moderate rainfall is anticipated in Rjukan during December, with a total of 51.9 mm spread over approximately 1 days. Considering plans for rainy days is advisable.
Will it snow in Rjukan in December 2025?
Rjukan experiences an average snowfall of 39.11 cm during December, occurring over 20 days.
What are the typical wind conditions in Rjukan during December?
The average wind speed in Rjukan during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Rjukan snow forecast December 2025
Track daily snowfall levels and discover Rjukan’s snowy potential this December ❄️
December rainfall patterns in Rjukan
Explore the daily rainfall trends and prepare for Rjukans December weather 💧
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