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Graubünden, 1741 m · continuously updated
Temperature · last 4 and next 28 hours
Updated hourly.
Two-week trend.
Sunrise –, golden light until –
Sunset –, golden light from –
–
European index, measured continuously.
Daily maximum — protection advised from 3.
Snow settles about 300 m below it.
Neighbouring municipalities, as the crow flies.
Today (Saturday 14 Nov) in Arosa: overcast, −2 to 4 °C, precipitation 0.0 mm (0 %), wind up to 10 km/h. Tomorrow: overcast, 0 to 5 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | overcast | −2 °C | 4 °C | 0.0 mm | 10 km/h |
| Tomorrow | overcast | 0 °C | 5 °C | 0.0 mm | 9 km/h |
| Mon 16 Nov | snow showers | 0 °C | 2 °C | 4.6 mm | 9 km/h |
| Tue 17 Nov | light rain | 0 °C | 6 °C | 1.5 mm | 18 km/h |
| Wed 18 Nov | light rain | 1 °C | 4 °C | 6.4 mm | 12 km/h |
| Thu 19 Nov | light snow | −1 °C | 6 °C | 0.6 mm | 10 km/h |
| Fri 20 Nov | snow showers | −6 °C | 0 °C | 6.8 mm | 9 km/h |
No rain expected in Arosa today or tomorrow. The 15-minute detail for the next two hours is shown on demand.
Saturday 14 Nov in Arosa, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low −2 °C around 00:00, high 4 °C around 14:00. No rainy hour.
| Time | Weather | Temp. | Precip. | Wind |
|---|---|---|---|---|
| 00:00 | sunny | −2 °C | 0.0 mm | 7 km/h |
| 01:00 | sunny | −2 °C | 0.0 mm | 7 km/h |
| 02:00 | sunny | −2 °C | 0.0 mm | 7 km/h |
| 03:00 | sunny | −2 °C | 0.0 mm | 7 km/h |
| 04:00 | sunny | −2 °C | 0.0 mm | 8 km/h |
| 05:00 | sunny | −2 °C | 0.0 mm | 8 km/h |
| 06:00 | sunny | −1 °C | 0.0 mm | 8 km/h |
| 07:00 | sunny | −1 °C | 0.0 mm | 8 km/h |
| 08:00 | sunny | 0 °C | 0.0 mm | 8 km/h |
| 09:00 | sunny | 1 °C | 0.0 mm | 4 km/h |
| 10:00 | sunny | 3 °C | 0.0 mm | 1 km/h |
| 11:00 | sunny | 3 °C | 0.0 mm | 4 km/h |
| 12:00 | sunny | 4 °C | 0.0 mm | 3 km/h |
| 13:00 | sunny | 4 °C | 0.0 mm | 3 km/h |
| 14:00 | sunny | 4 °C | 0.0 mm | 4 km/h |
| 15:00 | sunny | 4 °C | 0.0 mm | 3 km/h |
| 16:00 | sunny | 3 °C | 0.0 mm | 4 km/h |
| 17:00 | sunny | 2 °C | 0.0 mm | 8 km/h |
| 18:00 | sunny | 2 °C | 0.0 mm | 10 km/h |
| 19:00 | sunny | 2 °C | 0.0 mm | 10 km/h |
| 20:00 | mostly sunny | 1 °C | 0.0 mm | 9 km/h |
| 21:00 | overcast | 1 °C | 0.0 mm | 9 km/h |
| 22:00 | overcast | 1 °C | 0.0 mm | 8 km/h |
| 23:00 | overcast | 1 °C | 0.0 mm | 8 km/h |
Today, Saturday 14 Nov in Arosa: overcast, −2 to 4 °C, wind up to 10 km/h. No precipitation expected.
Tomorrow, Sunday 15 Nov, in Arosa: overcast, 0 to 5 °C, wind up to 9 km/h. No precipitation expected.
Today in Arosa (1741 m): −2 to 4 °C. Tomorrow: 0 to 5 °C. Over the next 7 days, highs range from 0 to 6 °C, averaging 4 °C.
This weekend in Arosa: Saturday overcast, −2 to 4 °C; Sunday overcast, 0 to 5 °C.
Yes: 4 days with precipitation are expected in Arosa over the next 7 days, 19.9 mm in total. Wettest day: Friday 20 Nov (6.8 mm).
Snowfall expected in Arosa (1741 m): Monday 16 Nov and Friday 20 Nov. Estimated total: 3.0 cm.
Today in Arosa (1741 m), the UV index peaks at 3 (low) around midday. No particular protection is needed. In the mountains, radiation rises by about 10 % per 1,000 m, and snow reflects up to 80 % of it.
The best day of the next 7 in Arosa: Sunday 15 Nov, overcast, up to 5 °C.
In Arosa (1741 m), the mean annual temperature is 4.1 °C. The warmest month is July (12.7 °C on average) and the coldest January (−4.1 °C). About 1182 mm of precipitation falls per year, peaking in August (162 mm) with a minimum in February (61 mm). The sun shines for about 1684 hours a year, mostly in July (191 h). On average there are 158 frost days per year. The mean monthly maximum reaches 25.5 °C and the absolute minimum −15.0 °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 | −4.1 °C | 7.0 °C | −15.0 °C | 77 | 107 | 29 | 0 |
| Feb | −3.6 °C | 8.8 °C | −14.6 °C | 61 | 111 | 26 | 0 |
| Mar | −0.4 °C | 12.2 °C | −11.3 °C | 74 | 145 | 24 | 0 |
| Apr | 3.1 °C | 15.5 °C | −7.8 °C | 72 | 153 | 17 | 0 |
| May | 7.3 °C | 20.4 °C | −2.7 °C | 97 | 157 | 6 | 0 |
| Jun | 10.9 °C | 24.3 °C | 0.7 °C | 131 | 166 | 1 | 0 |
| Jul | 12.7 °C | 25.5 °C | 3.0 °C | 140 | 191 | 0 | 1 |
| Aug | 12.5 °C | 24.9 °C | 2.6 °C | 162 | 182 | 0 | 0 |
| Sep | 8.6 °C | 20.3 °C | −0.9 °C | 106 | 152 | 3 | 0 |
| Oct | 5.0 °C | 17.5 °C | −5.5 °C | 90 | 136 | 8 | 0 |
| Nov | 0.1 °C | 12.4 °C | −10.0 °C | 92 | 96 | 18 | 0 |
| Dec | −3.2 °C | 7.5 °C | −13.6 °C | 81 | 88 | 27 | 0 |
| Year | 4.1 °C | 25.5 °C | −15.0 °C | 1182 | 1684 | 158 | 1 |
Arosa sits at around 1741 m above sea level in the canton of Graubünden. This elevation directly affects temperatures, the rain-snow line and snow cover: on average, the temperature drops by about 0.55 °C per 100 m of altitude.
The warmest month in Arosa is July, averaging 12.7 °C; the coldest is January, at −4.1 °C. The annual mean is 4.1 °C (MeteoSwiss 1991–2020 normals, reference station Chur).
Arosa receives about 1182 mm of precipitation a year, or 98 mm a month on average. The wettest month is August (162 mm) and the driest February (61 mm), according to the MeteoSwiss 1991–2020 normals.
Arosa averages 158 frost days a year, most of them in January (29 days). Conversely, 1 summer days exceed 25 °C. Mean values from the MeteoSwiss 1991–2020 normals.
The sun shines for about 1684 hours a year in Arosa. The sunniest month is July (191 h) and the least sunny December (88 h), according to the MeteoSwiss 1991–2020 normals.
In Arosa, the monthly mean rises from −4.1 °C in January to 12.7 °C in July: a 16.8 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −15.0 °C to 25.5 °C.
For warmth and sunshine: July (12.7 °C on average, 191 h of sun). To avoid rain, February is the driest month (61 mm). The coldest month is January (−4.1 °C).
Source: MeteoSwiss open data (1991–2020 normals) — stations Chur (7 km, 556 m), Arosa (8 km, 1878 m), Weissfluhjoch (15 km, 2691 m), adjusted to the elevation of Arosa (1741 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.