Thun
December
Weather in Thun for December 2025
Your guide to Thun weather in December - trends and predictions
Gale Force Wind Warning - See hour by hour.
The climate of Thun in December is quite snowy, averaging 15 snowy days.
According to Thun snow forecast for December 2025, no snow is expected in the next 2 weeks.So far, December 2025 in Thun is slightly warmer than the historical average by 1.3 °C.
The forecast for the upcoming days in Thun predicts a temperature of 7.6 °C, which is slightly above the historical average.
In general, the average temperature in Thun at the beginning of December is 3.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 6.7 °C by the end of December.
Official Weather Alert ⚠️
Snow Forecast ❄️
Temperatures
5
Dry days
11
Rainy days
15
Snow days
5°/-2°
Temperatures
9 km/h
Avg max wind
85 %
Avg humidity
Thun Weather December
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Temperatures trend during December in Thun
See the weather trend as well as the moving average line
December weather in Thun day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Heavy snow | 4° /-4° | 15.4 mm | 2 | |
| 2 Dec. | Heavy snow | 5° /-5° | 8.8 mm | 2 | |
| 3 Dec. |  Freezing fog | 3° /-5° | 2.3 mm | 1 | |
| 4 Dec. |  Patchy moderate snow | 3° /-4° | 0.7 mm | 1 | |
| 5 Dec. | Heavy snow | 3° /-6° | 1.9 mm | 2 | |
| 6 Dec. |  Light snow | 4° /-6° | 3.4 mm | 2 | |
| 7 Dec. |  Mist | 3° /-4° | 7.9 mm | 2 | |
| 8 Dec. |  Light sleet | 4° /-2° | 1.8 mm | 1 | |
| 9 Dec. |  Light rain | 5° /-1° | 7.3 mm | 2 | |
| 10 Dec. |  Light rain shower | 5° /-2° | 1.5 mm | 2 | |
| 11 Dec. | Light rain shower | 5° /-1° | 12.4 mm | 2 | |
| 12 Dec. |  Sunny | 8° /2° | 6.4 mm | 3 | |
| 13 Dec. |  Patchy light rain with thunder | 7° /-1° | 4.2 mm | 2 | |
| 14 Dec. | Sunny | 7° /-4° | 0 mm | 0.2 | |
| 15 Dec. |  Partly cloudy | 9° /1° | 0 mm | 0.2 | |
| 16 Dec. | Partly cloudy | 8° /2° | 0 mm | 0.2 | |
| 17 Dec. |  Overcast | 7° /-1° | 0.1 mm | 0.1 | |
| 18 Dec. | Sunny | 7° /-1° | 0 mm | 0.2 | |
| 19 Dec. | Overcast | 7° /-1° | 0 mm | 1 | |
| 20 Dec. | Partly cloudy | 8° /4° | 0 mm | 3 | |
| 21 Dec. | Sunny | 10° /3° | 0 mm | 3 | |
| 22 Dec. | Partly cloudy | 9° /3° | 0 mm | 2 | |
| 23 Dec. | Sunny | 9° /3° | 0 mm | 2 | |
| 24 Dec. | Sunny | 7° /2° | 0 mm | 2 | |
| 25 Dec. | Sunny | 7° /2° | 0 mm | 2 | |
| 26 Dec. | Sunny | 7° /1° | 0 mm | 2 | |
| 27 Dec. | Sunny | 5° /-1° | 0 mm | 2 | |
| 28 Dec. | Overcast | 6° /-2° | 0 mm | 2 | |
| 29 Dec. | Patchy rain possible | 8° /-3° | 2.4 mm | 2 | |
| 30 Dec. |  Moderate rain at times | 5° /-2° | 3.8 mm | 2 | |
| 31 Dec. | Partly cloudy | 9° /-1° | 1.6 mm | 2 | |
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Important Notice
Our weather forecast for Thun 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 Thun forecast closer to your planned date for the most up-to-date weather information.
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Thun in December - FAQ
What are the expected maximum and minimum temperatures in Thun 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 Thun during December?
Significant rainfall exceeding 183.8 mm is expected in Thun during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Thun in December 2025?
Thun experiences an average snowfall of 37.2567 cm during December, occurring over 15 days.
What are the typical wind conditions in Thun during December?
The average wind speed in Thun during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Thun
Explore the daily rainfall trends and prepare for Thuns December weather 💧
Typically, Thun has 11 rainy days in December with a total of 183.8 mm of rainfall.
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