Arosa ski resort
Arosa is a ski resort in the canton of Graubünden, in the municipality of Arosa. The village sits at 1775 m and the ski area (Arosa Lenzerheide) tops out at 2653 m (Weisshorn), a vertical drop of 878 m. The forecast at the top of the page is computed for the village altitude; the “Summit weather” section gives temperature, snow, wind and freezing level at 2653 m.
Snow and season in Arosa
Between 1500 and 2000 m, winters are long and snowy and summers short and cool; the snow line often drops below the village in winter.
To judge conditions, compare the snow line (≈ 300 m below the freezing level) with the village (1775 m) and the slopes (2653 m); above 50–60 km/h of summit wind, exposed lifts may close; a warm front lifts the freezing level within hours, a cold front brings snow down to the valley.
Climate of Arosa: 1991–2020 normals
In Arosa (1775 m), the mean annual temperature is 4.3 °C. The warmest month is July (12.5 °C on average) and the coldest February (−3.1 °C). About 1288 mm of precipitation falls per year, peaking in August (172 mm) with a minimum in February (71 mm). The sun shines for about 1683 hours a year, mostly in July (190 h). On average there are 159 frost days per year. The mean monthly maximum reaches 24.2 °C and the absolute minimum −14.4 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | −2.9 °C | 7.6 °C | −13.8 °C | 84 | 107 | 29 | 0 |
| Feb | −3.1 °C | 8.8 °C | −14.4 °C | 71 | 111 | 26 | 0 |
| Mar | −0.5 °C | 10.8 °C | −11.9 °C | 80 | 145 | 24 | 0 |
| Apr | 2.6 °C | 13.7 °C | −8.3 °C | 84 | 153 | 17 | 0 |
| May | 6.9 °C | 19.2 °C | −2.7 °C | 106 | 157 | 6 | 0 |
| Jun | 10.6 °C | 23.3 °C | 0.8 °C | 145 | 166 | 1 | 0 |
| Jul | 12.5 °C | 24.2 °C | 3.1 °C | 150 | 190 | 0 | 1 |
| Aug | 12.5 °C | 23.7 °C | 2.8 °C | 172 | 182 | 0 | 1 |
| Sep | 8.8 °C | 20.0 °C | −0.5 °C | 114 | 152 | 3 | 0 |
| Oct | 5.7 °C | 17.4 °C | −4.6 °C | 98 | 136 | 8 | 0 |
| Nov | 0.9 °C | 12.3 °C | −9.6 °C | 98 | 96 | 19 | 0 |
| Dec | −2.0 °C | 8.0 °C | −12.7 °C | 87 | 88 | 27 | 0 |
| Year | 4.3 °C | 24.2 °C | −14.4 °C | 1288 | 1683 | 159 | 2 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Arosa (2 km, 1878 m), Weissfluhjoch (12 km, 2691 m), Davos (14 km, 1594 m), adjusted to the elevation of Arosa (1775 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby ski resorts
- Weather Davos (11 km · 1560–2844 m)
- Weather Lenzerheide (11 km · 1470–2865 m)
- Weather Brambrüesch (Chur) (15 km · 1600–2174 m)
- Weather Feldis/Veulden (18 km · 1470–2100 m)
- Weather Savognin (22 km · 1200–2713 m)
- Weather Klosters (24 km · 1200–2844 m)
⛷️ Ski resorts Canton Graubünden
Nearby municipalities
- Weather Schmitten (GR)
- Weather Vaz/Obervaz
- Weather Lantsch/Lenz
- Weather Albula/Alvra
- Weather Churwalden
- Weather Fideris
- Weather Bergün Filisur
- Weather Chur
Frequently asked questions about the weather in Arosa
How high is Arosa?
The village of Arosa is at 1775 m and the ski area rises to 2653 m (Weisshorn), a vertical drop of 878 m.
What is the temperature difference between the village and the summit in Arosa?
Expect about 5 °C less at the summit (2653 m) than in the village (1775 m), using the mean lapse rate of 0.6 °C per 100 m. The “Summit weather” section shows the forecast computed at 2653 m.
When does it snow in Arosa?
In the village (1775 m) the mean temperature stays below 2 °C from November to March (1991–2020 normals), when precipitation mostly falls as snow. Higher up, snow can fall in any season.
Where can I see the weather on the slopes of Arosa?
The “Summit weather” section on this page gives, for Weisshorn (2653 m), min/max temperature, 7-day snowfall, wind and gusts, plus the freezing level and the estimated snow line.
What is the warmest month in Arosa?
The warmest month in Arosa is July, averaging 12.5 °C (1991–2020 normal). The coldest is February at −3.1 °C.
How much does it rain in Arosa per year?
Arosa receives about 1288 mm of precipitation a year. The wettest month is August (172 mm), the driest February (71 mm).
When is the best time to visit Arosa?
For warmth and sunshine: July (12.5 °C on average, 190 h of sun). The coldest month is February (−3.1 °C). Check the 15-day forecast above for your dates.