Switzerland
St. Moritz in December: weather & travel advice
This month's data profile
Rain shapes the decision
St. Moritz in December is climatically mixed. The average daily high is around -4 °C. With about 12 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
29/100 · #9
Warmth
#10
Dryness
#3
Sun
#12
Published best categories: none
St. Moritz · DecemberPhoto: Isiwal · CC BY-SA 4.0Climate facts
- Average high
- -4 °C
- Average low
- -13 °C
- Rainy days (est.)
- 12 rainy days (est.)
- Sun (est.)
- 2 h/day
- Humidity
- 87 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| November | 0 | -7 | 14 | 97 | 2.0 | 88 | 1.0 | 27 |
| December (selected) | -4 | -13 | 12 | 62 | 1.6 | 87 | 1.0 | 29 |
| January | -5 | -14 | 11 | 54 | 2.0 | 86 | 1.1 | 33 |
How do the previous and next months compare?
Baseline: December (29/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| November | -2 | +4.1 °C | +5.1 °C | +1.4 | +34.3 mm | +0.4 h | +1 % | -0.1 m/s |
| January | +4 | -1 °C | -1.7 °C | -1.1 | -8.4 mm | +0.4 h | -0.3 % | +0.1 m/s |
All twelve months in context
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Where to stay in St. Moritz
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Useful next decisions
Frequently asked questions
How warm is St. Moritz in December?
The average daily high is around -4 °C, with an average daily low of about -13 °C.
Does it rain a lot in St. Moritz in December?
The curated estimate is about 12 rainy days per month, not a directly measured long-term average. Total precipitation averages around 62 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit St. Moritz?
No month in St. Moritz reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.