Sunshine in Arosa

Arosa (GR) gets about 1630 hours of sunshine a year, 48% of the possible maximum, or 4.5 hours a day on average. That makes it sunnier than 37% of the places we cover in Switzerland and Liechtenstein, and number 54 of 100 places in Graubünden. That's about 20 hours more than the Graubünden average of 1620. Mountains around it block about 430 hours a year, already taken into account.

Explore Arosa on the sunshine map

1630 hsunshine a year

6.2 ha day in July

2.2 ha day in December

#54 / 100in Graubünden

Sunshine month by month

Average hours of sunshine per day, 1991–2020. The line shows the most the sun could shine here, with the mountains around it.

Direct sun at the centre on a clear day, with the mountains around it: on 21 December from 09:41 to 14:05, and on 21 June from 06:03 to 19:20.

Evening shade: the sun goes behind the mountains up to 2h 19m earlier than over a flat horizon (December).
Morning shade: the sun reaches this spot up to 1h 47m later than over a flat horizon (February).

Month	per day	per month
January	3.1 h	97 h
February	3.7 h	104 h
March	4.6 h	144 h
April	5.0 h	149 h
May	5.0 h	154 h
June	5.7 h	171 h
July	6.2 h	193 h
August	5.8 h	179 h
September	5.1 h	154 h
October	4.1 h	128 h
November	3.0 h	91 h
December	2.2 h	69 h

Climate in Arosa

3.6 °Cmean temperature

15.6 °CJuly daily high

−6.7 °CJanuary nightly low

1246 mmrain and snow a year

1359 kWh/m²solar radiation a year

1762 mabove sea level

Similar sunshine in Graubünden

Zizers 1630 h
Silvaplana 1630 h
St. Moritz 1630 h
Davos 1640 h

Nearby

Churwalden 1390 h
Schmitten (GR) 1670 h
Vaz/Obervaz 1590 h
Davos 1640 h

All 100 places in Graubünden ranked by sunshine · Sunniest towns in Switzerland · Look up any address in Arosa