Grisons (St. Moritz)
December
Weather in Grisons for December 2026
Your guide to Grisons weather in December - trends and predictions
Grisons is transformed into a snow paradise in December, with more than 20 snowy days on average.
In general, the average temperature in Grisons at the beginning of December is -1.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 1.3 °C by the end of December.
Snow Forecast ❄️
Temperatures
8
Dry days
0
Rainy days
23
Snow days
0°/-12°
Temperatures
12 km/h
Avg max wind
74 %
Avg humidity
Grisons Weather December
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What’s the Weather Like in Grisons This December?
Discover the average temperatures and weather trends across Grisons’s cities this December.
Temperatures trend during December in Grisons
See the weather trend as well as the moving average line
December weather in Grisons day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Heavy snow | 2° /-8° | 21.4 mm | 18.1 cm | |
| 2 Dec. | Heavy snow | 0° /-14° | 14.3 mm | 12.2 cm | |
| 3 Dec. |  Freezing fog | -3° /-18° | 0.8 mm | 0.5 cm | |
| 4 Dec. |  Moderate snow | -4° /-15° | 0.9 mm | 0.7 cm | |
| 5 Dec. |  Moderate or heavy snow showers | -3° /-16° | 1.5 mm | 1.1 cm | |
| 6 Dec. |  Light snow | -1° /-16° | 1.9 mm | 1.4 cm | |
| 7 Dec. | Freezing fog | 0° /-16° | 0.6 mm | 0.4 cm | |
| 8 Dec. | Moderate snow | -1° /-11° | 2.9 mm | 2.1 cm | |
| 9 Dec. | Freezing fog | 0° /-11° | 1.3 mm | 1 cm | |
| 10 Dec. | Moderate or heavy snow showers | 0° /-12° | 1.7 mm | 1.5 cm | |
| 11 Dec. | Heavy snow | 1° /-10° | 2.7 mm | 2 cm | |
| 12 Dec. |  Sunny | 2° /-10° | 0.4 mm | 0.3 cm | |
| 13 Dec. | Sunny | 1° /-9° | 6.3 mm | 5.3 cm | |
| 14 Dec. | Moderate or heavy snow showers | -1° /-13° | 0.4 mm | 0.3 cm | |
| 15 Dec. | Moderate snow | -3° /-14° | 0.4 mm | 0.3 cm | |
| 16 Dec. | Sunny | 1° /-13° | 0 mm | 0 cm | |
| 17 Dec. | Sunny | 3° /-8° | 0.9 mm | 0.6 cm | |
| 18 Dec. | Sunny | 2° /-8° | 0 mm | 0 cm | |
| 19 Dec. | Sunny | 2° /-10° | 2.4 mm | 1.7 cm | |
| 20 Dec. | Light snow | -1° /-13° | 1.5 mm | 1 cm | |
| 21 Dec. | Heavy snow | -1° /-13° | 1.7 mm | 1.4 cm | |
| 22 Dec. | Moderate or heavy snow showers | -1° /-11° | 11.7 mm | 9.3 cm | |
| 23 Dec. | Light snow | -3° /-14° | 2.5 mm | 1.8 cm | |
| 24 Dec. | Sunny | -2° /-14° | 2.1 mm | 1.5 cm | |
| 25 Dec. | Freezing fog | 1° /-14° | 0 mm | 0 cm | |
| 26 Dec. | Sunny | 2° /-12° | 0 mm | 0 cm | |
| 27 Dec. | Sunny | 3° /-11° | 0 mm | 0 cm | |
| 28 Dec. |  Partly cloudy | 3° /-9° | 0 mm | 0 cm | |
| 29 Dec. | Sunny | 2° /-12° | 0 mm | 0 cm | |
| 30 Dec. | Freezing fog | -1° /-13° | 0 mm | 0 cm | |
| 31 Dec. | Sunny | -1° /-13° | 3 mm | 2.5 cm | |
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Important Notice
Our weather forecast for Grisons 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 Grisons forecast closer to your planned date for the most up-to-date weather information.
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Grisons in December - FAQ
What are the expected maximum and minimum temperatures in Grisons during December?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Grisons during December?
Moderate rainfall is anticipated in Grisons during December, with a total of 83.5 mm spread over approximately 0 days. Considering plans for rainy days is advisable.
Will it snow in Grisons in December 2026?
Grisons experiences an average snowfall of 67.2 cm during December, occurring over 23 days.
What are the typical wind conditions in Grisons during December?
The average wind speed in Grisons during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
Grisons snow forecast December 2026
Track daily snowfall levels and discover Grisons’s snowy potential this December ❄️
On average, Grisons sees 23 snowy days during December, with approximately 67.2 cm of total snowfall.
December rainfall patterns in Grisons
Explore the daily rainfall trends and prepare for Grisonss December weather 💧
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