St. Moritz weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: July – August
Best for skiing: November – April
What is the weather like in St. Moritz in December?
In December, St. Moritz is freezing cold: daytime highs average −3 °C, and nights often drop below freezing (−12 °C). The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 13 days, totalling 88 mm. Snow falls on about 12 days. All in all, December is not an ideal month for a holiday in St. Moritz.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 11 | 11 | 14 |
| Day | 2° | −3° | −4° |
| Night | −7° | −12° | −13° |
| Sun | 3 h | 3 h | 4 h |
| Rain days | 14 | 13 | 13 |
More details for December
- Daylight
- 8 h 37 min07:57 – 16:34
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 7 km/haverage daily peak
- Cloud cover
- 65 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 12 days1 cm or more of fresh snow
- Time zone
- UTC+1Europe/Zurich
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %5 %
- Few rainy daysweight 30 %34 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.
What to pack in December
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
St. Moritz in December: quick answers
Is St. Moritz hot in December?
No. In December, St. Moritz is freezing cold: daytime highs average −3 °C and nights drop to about −12 °C.
Does it rain much in St. Moritz in December?
Rain is frequent, with about 13 rainy days and 88 mm in total.
St. Moritz month by month
The whole year in St. MoritzAll destinations: SwitzerlandWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)