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Grisons
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Grisons Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Grisons year round climate
- Spring (March–May): Average -1.3–7.7°C, cold and humid climate, frequent rain, snow may persist in mountain areas until May. Common activities: Skiing (if sufficient snow), hiking (at lower altitudes), enjoying the post-snowmelt scenery. Recommended clothing: Waterproof jacket, warm clothing, thick socks, hiking boots.
- Summer (June–August): Average 11.6–13.7°C, mild climate, but temperatures vary greatly in mountain areas, less rainfall. Common activities: Hiking, mountaineering, cycling, exploring mountain lakes. Recommended clothing: Breathable and sweat-wicking clothing, sun protection clothing, waterproof jacket (in case of afternoon thunderstorms), comfortable hiking shoes.
- Autumn (September–November): Average 8.7–-1.8°C, cooler climate, October has the most rainfall, snow may begin to fall in mountain areas. Common activities: Viewing autumn leaves (if the altitude is low enough), hiking (pay attention to weather changes), enjoying the tranquil atmosphere of the mountains. Recommended clothing: Warm jacket, waterproof jacket, comfortable shoes.
- Winter (December–February): Average -7.3–-4.1°C, cold climate, more snowfall, suitable for winter sports. Common activities: Skiing, snowboarding, snowshoeing, ice and snow festival activities. Recommended clothing: Heavy warm jacket, waterproof snow pants, warm hat, gloves, scarf, waterproof snow boots.
Grisons climatological average
Annual average temperature: approx. 3.5°C / Annual rainfall: approx. 898 mm / Summer humidity: 60%–70% / Rainiest month: October
Grisons monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-7.3°C
43
February
-4.1°C
72.2
March
-1.3°C
77.1
April
1.7°C
80.1
May
7.7°C
102.2
June
11.6°C
42.9
July
13.7°C
64.3
August
13.3°C
81.8
September
8.7°C
46.6
October
5.9°C
139.3
November
-1.8°C
72.5
December
-5.8°C
76.8
Grisons weather for the next seven days
3/7
Saturday
Sunny
8.4°C/-2.8°C
3/8
Sunday
Sunny
7.7°C/-2.3°C
3/9
Monday
Sunny
7.2°C/-1.8°C
3/10
Tuesday
Patchy rain nearby
6.5°C/-1°C
3/11
Wednesday
Patchy rain nearby
6.7°C/-0.8°C
3/12
Thursday
Partly Cloudy
7.3°C/-0.3°C
3/13
Friday
Patchy rain nearby
9.1°C/-0.4°C
