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Switzerland weather

Weather in St. Moritz for December 2025

Your guide to St. Moritz weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Gale Force Wind Warning - See hour by hour.

    • Snow Forecast ❄️

  • St. Moritz typically experiences moderate snowfall in December, with an average of 9 snowy days.
    According to St. Moritz snow forecast for December 2025, 4 snowy days are expected until the end of the month. The closest date with snow is Tuesday, 16 December.

    • Temperatures

  • So far, December 2025 in St. Moritz is slightly warmer than the historical average by 1.4 °C.

  • The forecast for the next days in St. Moritz predicts temperatures to be around 0 °C, close to the historical average.

  • In general, the average temperature in St. Moritz at the beginning of December is -1.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 0.4 °C by the end of December.

Average dry days
22
Dry days
Average rainy days
0
Rainy days
Average snowy days
9
Snow days
Average temperatures
1°/-15°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
74 %
Avg humidity

St. Moritz Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Heavy snow
2°
2
Heavy snow
0°
3
Freezing fog
-3°
4
Moderate snow
-4°
5
Moderate or heavy snow showers
-3°
6
Light snow
-1°
7
Freezing fog
-0°
8
Moderate snow
-1°
9
Freezing fog
-0°
10
Moderate or heavy snow showers
-0°
11
Heavy snow
1°
12
Sunny
2°
13
Sunny
1°
14
Moderate or heavy snow showers
-1°
15
Weather Alert Sunny
1°
16
Weather Alert Patchy moderate snow
1°
17
Moderate snow
1°
18
Cloudy
0°
19
Partly cloudy
3°
20
Sunny
2°
21
Sunny
0°
22
Light freezing rain
-1°
23
Moderate snow
0°
24
Partly cloudy
-1°
25
Light freezing rain
-3°
26
Partly cloudy
-1°
27
Partly cloudy
1°
28
Sunny
1°
29
Sunny
2°
30
Freezing fog
2°
31
Heavy snow
1°

Temperatures trend during December in St. Moritz

See the weather trend as well as the moving average line

December weather in St. Moritz day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Heavy snow
Heavy snow
 2° /-8° 21.4 mm 18.1 cm
2 Dec. Heavy snow
Heavy snow
 0° /-14° 14.3 mm 12.2 cm
3 Dec. Freezing fog
Freezing fog
 -3° /-18° 0.8 mm 0.5 cm
4 Dec. Moderate snow
Moderate snow
 -4° /-15° 0.9 mm 0.7 cm
5 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 -3° /-16° 1.5 mm 1.1 cm
6 Dec. Light snow
Light snow
 -1° /-16° 1.9 mm 1.4 cm
7 Dec. Freezing fog
Freezing fog
 0° /-16° 0.6 mm 0.4 cm
8 Dec. Moderate snow
Moderate snow
 -1° /-11° 2.9 mm 2.1 cm
9 Dec. Freezing fog
Freezing fog
 0° /-11° 1.3 mm 1 cm
10 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-12° 1.7 mm 1.5 cm
11 Dec. Heavy snow
Heavy snow
 1° /-10° 2.7 mm 2 cm
12 Dec. Sunny
Sunny
 2° /-10° 0.4 mm 0.3 cm
13 Dec. Sunny
Sunny
 1° /-9° 6.3 mm 5.3 cm
14 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 -1° /-13° 0.4 mm 0.3 cm
15 Dec. Sunny
Sunny
 1° /-10° 0 mm 0 cm
16 Dec. Patchy moderate snow
Patchy moderate snow
 1° /-10° 0.9 mm 0.5 cm
17 Dec. Moderate snow
Moderate snow
 1° /-8° 1.8 mm 1.3 cm
18 Dec. Cloudy
Cloudy
 0° /-11° 0 mm 0 cm
19 Dec. Partly cloudy
Partly cloudy
 3° /-11° 0.1 mm 0 cm
20 Dec. Sunny
Sunny
 2° /-10° 0 mm 0 cm
21 Dec. Sunny
Sunny
 0° /-12° 0 mm 0 cm
22 Dec. Light freezing rain
Light freezing rain
 -1° /-13° 0.1 mm 0.1 cm
23 Dec. Moderate snow
Moderate snow
 0° /-12° 0.9 mm 0.6 cm
24 Dec. Partly cloudy
Partly cloudy
 -1° /-13° 0 mm 0 cm
25 Dec. Light freezing rain
Light freezing rain
 -3° /-12° 0.1 mm 0 cm
26 Dec. Partly cloudy
Partly cloudy
 -1° /-13° 0 mm 0 cm
27 Dec. Partly cloudy
Partly cloudy
 1° /-11° 0 mm 0 cm
28 Dec. Sunny
Sunny
 1° /-10° 0 mm 0 cm
29 Dec. Sunny
Sunny
 2° /-11° 0 mm 0 cm
30 Dec. Freezing fog
Freezing fog
 2° /-11° 0 mm 0 cm
31 Dec. Heavy snow
Heavy snow
 1° /-10° 4.6 mm 3.8 cm
Next
Important Notice
Our weather forecast for St. Moritz 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 St. Moritz forecast closer to your planned date for the most up-to-date weather information.
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St. Moritz in December - FAQ

What are the expected maximum and minimum temperatures in St. Moritz during December?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in St. Moritz during December?
Significant rainfall exceeding 235.5 mm is expected in St. Moritz during December, occurring over more than 0 days. Preparing for wet conditions is recommended in your planning.
Will it snow in St. Moritz in December 2025?
St. Moritz experiences an average snowfall of 191.1 cm during December, occurring over 9 days.
What are the typical wind conditions in St. Moritz during December?
The average wind speed in St. Moritz during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

St. Moritz snow forecast December 2025

Track daily snowfall levels and discover St. Moritz’s snowy potential this December ❄️
On average, St. Moritz sees 9 snowy days during December, with approximately 191.1 cm of total snowfall.

December rainfall patterns in St. Moritz

Explore the daily rainfall trends and prepare for St. Moritzs December weather 💧

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Location coordinates Where is St. Moritz?

Get accurate weather forecasts for St. Moritz, located at latitude 46.499 and longitude 9.843. Stay updated with localized weather information tailored for St. Moritz.

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