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Weather & Climate
St. Moritz, Graubünden, Switzerland
Overview
Climate data and monthly weather averages for St. Moritz.
Key Metrics
Annual Avg
0.4°C
Summer Avg
10.2°C
Winter Avg
-9.6°C
Record High
25.1°C
Record Low
-31.8°C
Annual Precipitation
1131.3 mm
Avg Humidity
83%
Summer Humidity
78%
Winter Humidity
88%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 4.1° | -10.3° | -28.7° | 54.9 | 87% | 48 | 34 |
| Feb | 3.5° | -9.8° | -31.8° | 46.5 | 89% | 69 | 38.4 |
| Mar | 9.8° | -5.9° | -27.2° | 60.8 | 90% | 113 | 33 |
| Apr | 14.3° | -0.5° | -19.2° | 81.3 | 84% | 129 | 33.3 |
| May | 18.8° | 4.5° | -9.3° | 119.7 | 80% | 149 | 31.4 |
| Jun | 25.1° | 9.1° | -5.9° | 129.3 | 77% | 169 | 30.3 |
| Jul | 22.7° | 10.9° | -3.2° | 128.7 | 77% | 176 | 27.9 |
| Aug | 23.1° | 10.5° | -3.6° | 144.5 | 79% | 152 | 28.7 |
| Sep | 19.9° | 6.5° | -8° | 99.3 | 81% | 114 | 29.8 |
| Oct | 17.2° | 2.3° | -17.3° | 98.9 | 83% | 79 | 35.2 |
| Nov | 12.9° | -3.4° | -24° | 102.3 | 87% | 46 | 31.9 |
| Dec | 4.3° | -8.8° | -31.2° | 65.1 | 87% | 38 | 35.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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