Weather in St Moritz: December
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Average day temperature: | 24.3°F |
| Average night temperature: | 11.6°F | |
 |
Number of sunny days: | 10 days |
| Day length: | 8.6 - 8.9 hours | |
 |
Number of days with precipitation: | 4 days |
| Precipitation totals: | 2.8 in. | |
| more information | ||
14 days
forecast
forecast
| St Moritz |
weather in
January
January
| St Moritz |
Air temperature in December, °F
Show year:
2025
2024
2023
The highest day temperature during December of 2025 was 37°F. At the same time the lowest night temperature was 7°F. Daily and nightly averages during December were 32.5°F and 16.3°F.
Sunny, partly cloudy and cloudy days
Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in St Moritz in December is 3.0 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 5.9 mph The wind's strength is relatively same during the whole year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 4.5.
Best time for vacation in St Moritz
St Moritz on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
St Moritz
Local time: 19:51
December 28, sunday
2100
18°F
N
6 mph
6 mph
December 29, monday
0000
16°F
N
6 mph
6 mph
0300
14°F
N
5 mph
5 mph
0600
16°F
N
3 mph
3 mph
0900
18°F
NW
1 mph
1 mph
1200
37°F
S
2 mph
2 mph
1500
28°F
S
4 mph
4 mph
1800
12°F
SW
2 mph
2 mph
