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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 -34–45°F, 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 52–56°F, 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–-35.2°F, 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–-39.4°F, 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. 38.3°F / Annual rainfall: approx. 898 mm / Summer humidity: 60%–70% / Rainiest month: October

Grisons monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
18.9°F
43
February
24.6°F
72.2
March
29.7°F
77.1
April
35.1°F
80.1
May
45.9°F
102.2
June
52.9°F
42.9
July
56.7°F
64.3
August
55.9°F
81.8
September
47.7°F
46.6
October
42.6°F
139.3
November
28.8°F
72.5
December
21.6°F
76.8

Grisons weather for the next seven days

12/6
Saturday
Sunny
34.8°F/14°F
12/7
Sunday
Light freezing rain
32.8°F/18.8°F
12/8
Monday
Moderate or heavy snow showers
34.2°F/24.8°F
12/9
Tuesday
Sunny
36.8°F/24.8°F
12/10
Wednesday
Sunny
36.6°F/22.4°F
12/11
Thursday
Partly Cloudy
34°F/21.2°F
12/12
Friday
Sunny
37°F/23.9°F

Grisons Frequently Asked Questions and Useful Information for Travel

What is Grisons, Switzerland known for?

The Grisons, also known as Graubünden, is Switzerland's largest canton. It is renowned for its breathtaking alpine landscapes, exceptional outdoor activities like skiing and hiking, a rich historical heritage, and a unique linguistic diversity.

What languages are spoken in Grisons, Switzerland?

Grisons is Switzerland's only trilingual canton. The main languages spoken are German, Romansh, and Italian. German is the most widely used, followed by Italian and Romansh, a Rhaeto-Romance language with five distinct dialects.

Is Grisons a popular destination for winter sports?

Yes, Grisons is a premier destination for winter sports enthusiasts. It boasts world-class ski resorts like St. Moritz and Davos, offering excellent slopes for skiing, snowboarding, and other snow-based activities amidst stunning snowy mountain scenery.

What kind of landscapes can I expect in Grisons?

You can expect dramatic alpine scenery in Grisons, characterized by towering snow-capped peaks, pristine mountain lakes, lush green valleys, and picturesque traditional Swiss villages. The region offers a diverse range of natural beauty, from rugged mountains to serene landscapes.

What are some popular activities for independent travel in Grisons?

For independent travelers, Grisons offers fantastic opportunities for hiking through its extensive network of trails, exploring charming towns and villages at your own pace, enjoying scenic train journeys like the Glacier Express, and experiencing the unique local culture and cuisine.