St. Moritz Weather in December
With daytime temperatures of -5°C (23°F) and nighttime lows of -14°C (7°F), December in St. Moritz brings very low temperatures during the day. Do keep in mind that quite a bit of snowfall is typical. Around 89 mm (3.5 in) falls on average.
Rainfall in St. Moritz in December
This month experiences about 16 days of snow according to historical data, averaging 89 mm (3.5 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in St. Moritz in December
December in St. Moritz brings typical temperatures with highs around -5°C (23°F) and lows of -14°C (7°F). December is part of the winter season. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -14°C (7°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.
Sunshine in St. Moritz in December
With about 102 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.December in St. Moritz can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our St. Moritz's climate page.
St. Moritz Temperature in December
Min Temperature
-14°C (7°F)
Max Temperature
-5°C (23°F)
Chance of Rain
54%
Precipitation
89 mm (3.5 in)
Rainy days
16 days
Humidity
80% *
Sunshine
102 hours *
Percentage Sunshine
52% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in St. Moritz typically stay consistent throughout December, with daily highs averaging around -5°C (23°F). Nights are very cold, with lows typically ranging from -13°C (9°F) to -9°C (16°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for St. Moritz in December
Browse day-by-day weather records for St. Moritz spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
St. Moritz historical weather extremes in December
According to our 49 years of weather records for St. Moritz, the following extremes were recorded between 1976 and 2025.
- The hottest December day on record in St. Moritz reached 14°C (57°F) (December 13, 1994).
- The lowest daytime temperature in December was -16°C (3°F), recorded on December 20, 1979.
- St. Moritz registered its coldest December night on December 27, 1996, with temperatures dropping to -27°C (-17°F).
Best Places in Switzerland in December
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in December →
perfect weather
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What to Wear in St. Moritz in December
Winter clothing is essential for visiting St. Moritz in December. If you have a heavy coat, waterproof boots with good traction, and plenty of warm layers it's smart to bring them. Pack cloths like thermal underwear, wool socks, and insulated gloves. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in St. Moritz in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our St. Moritz's climate page.
Temperature Rainfall Sunshine Humidity
See the full St. Moritz climate overview or explore weather in Switzerland.
