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.

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Weather in Arosa

Graubünden, 1775 m · summit 2653 m · continuously updated

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Wind: –
Humidity: –
Rain ahead: –
Sunset: –

Temperature · last 4 and next 28 hours

Arosa weather: the next 24 hours

Updated hourly.

Arosa 15-day forecast

Two-week trend.

Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Arosa

Neighbouring municipalities, as the crow flies.

Davos11 km Lenzerheide11 km Brambrüesch (Chur)15 km Feldis/Veulden18 km Savognin22 km Klosters24 km Tschappina-Heinzenberg26 km Pizol30 km

7-day forecast for Arosa

Today (Wednesday 7 Oct) in Arosa: light rain, 6 to 13 °C, precipitation 0.1 mm (5 %), wind up to 17 km/h. Tomorrow: showers, 4 to 12 °C.

Show the 7-day table

Day	Weather	Min	Max	Precip.	Wind
Today	light rain	6 °C	13 °C	0.1 mm	17 km/h
Tomorrow	showers	4 °C	12 °C	27.7 mm	10 km/h
Fri 9 Oct	light rain	2 °C	8 °C	0.0 mm	7 km/h
Sat 10 Oct	light rain	2 °C	6 °C	4.0 mm	6 km/h
Sun 11 Oct	overcast	1 °C	5 °C	0.3 mm	7 km/h
Mon 12 Oct	partly cloudy	−1 °C	7 °C	0.0 mm	8 km/h
Tue 13 Oct	partly cloudy	0 °C	10 °C	0.0 mm	7 km/h

Forecast updated on 07.10.2026 at 20:25 (Open-Meteo model, elevation 1775 m). The interactive block at the top refreshes hourly and covers 16 days.

Today in Arosa: rain from 15:00 to 16:00, 0.1 mm in total. The rest of the day should stay dry. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Arosa

Wednesday 7 Oct in Arosa, hour by hour: mostly sunny in the morning, overcast in the afternoon, overcast in the evening. Low 6 °C around 07:00, high 13 °C around 13:00. Rain from 15:00 to 16:00.

Show the 24-hour table

Time	Weather	Temp.	Precip.	Wind
00:00	partly cloudy	7 °C	0.0 mm	7 km/h
01:00	partly cloudy	7 °C	0.0 mm	6 km/h
02:00	mostly sunny	8 °C	0.0 mm	9 km/h
03:00	partly cloudy	7 °C	0.0 mm	8 km/h
04:00	partly cloudy	7 °C	0.0 mm	7 km/h
05:00	mostly sunny	8 °C	0.0 mm	7 km/h
06:00	mostly sunny	7 °C	0.0 mm	6 km/h
07:00	mostly sunny	6 °C	0.0 mm	6 km/h
08:00	mostly sunny	7 °C	0.0 mm	7 km/h
09:00	mostly sunny	9 °C	0.0 mm	5 km/h
10:00	mostly sunny	10 °C	0.0 mm	10 km/h
11:00	mostly sunny	12 °C	0.0 mm	12 km/h
12:00	overcast	12 °C	0.0 mm	16 km/h
13:00	overcast	13 °C	0.0 mm	17 km/h
14:00	overcast	12 °C	0.0 mm	17 km/h
15:00	light rain	11 °C	0.1 mm	17 km/h
16:00	overcast	12 °C	0.0 mm	12 km/h
17:00	overcast	12 °C	0.0 mm	12 km/h
18:00	overcast	11 °C	0.0 mm	12 km/h
19:00	overcast	11 °C	0.0 mm	14 km/h
20:00	overcast	11 °C	0.0 mm	16 km/h
21:00	overcast	11 °C	0.0 mm	13 km/h
22:00	overcast	10 °C	0.0 mm	9 km/h
23:00	overcast	10 °C	0.0 mm	9 km/h

Hourly forecast issued 07.10.2026 for Arosa (1775 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

2900 mRain-snow line

There is no snow on the ground in Arosa at the moment, neither at the summit (2653 m) nor in the village (1775 m). Swiss resorts usually open between late November and mid-December; this page is refreshed every night as soon as the first snow falls.

Modelled values (Open-Meteo, computed at the stated altitude), not measurements taken on the slopes. Updated on 07.10.2026.

Weather today in Arosa

Today, Wednesday 7 Oct in Arosa: light rain, 6 to 13 °C, wind up to 17 km/h. No precipitation expected.

Arosa weather tomorrow

Tomorrow, Thursday 8 Oct, in Arosa: showers, 4 to 12 °C, wind up to 10 km/h. Precipitation expected: 27.7 mm, 97 % probability.

What is the temperature in Arosa?

Today in Arosa (1775 m): 6 to 13 °C. Tomorrow: 4 to 12 °C. Over the next 7 days, highs range from 5 to 13 °C, averaging 9 °C.

Arosa weekend weather

This weekend in Arosa: Saturday light rain, 2 to 6 °C; Sunday overcast, 1 to 5 °C.

Will it rain in Arosa this week?

Yes: 2 days with precipitation are expected in Arosa over the next 7 days, 32.1 mm in total. Wettest day: Thursday 8 Oct (27.7 mm).

What is the UV index in Arosa?

Today in Arosa (1775 m), the UV index peaks at 4 (moderate) around midday. Hat, sunglasses and sunscreen are recommended between 11 am and 3 pm. In the mountains, radiation rises by about 10 % per 1,000 m, and snow reflects up to 80 % of it.

The best day to go out in Arosa

The best day of the next 7 in Arosa: Tuesday 13 Oct, partly cloudy, up to 10 °C.

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.

4.3 °CMean annual temperature

1288 mmPrecipitation per year

1683 hSunshine hours per year

159Frost days per year

2Summer days (≥ 25 °C)

JFMAMJJASOND

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.