Arosa Weather in December

In Arosa, December brings very low daytime temperatures around -2°C (28°F), with nights cooling to -11°C (12°F). Expect quite a bit of snowfall this month.

Rainfall in Arosa in December

Analyzing past climate data, one can expect approximately 15 days of snow, averaging 101 mm (4 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Arosa in December

Daytime temperatures in Arosa reach -2°C (28°F) in December, dropping to -11°C (12°F) at night. December is in the winter season. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With lows of -11°C (12°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. It's a notably cold month; make sure to wear layers to stay warm. It's wiser to gear up in advance than to be caught off-guard, trembling in the cold.

Sunshine in Arosa in December

The month is characterized by fewer sunny days, with roughly 95 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

Wind Speed in Arosa in December

Average wind conditions reach 1 m/s (2 knots) in December. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

December in Arosa can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Arosa's climate page.

Arosa Temperature in December

Min Temperature -11°C (12°F)  

Max Temperature -2°C (28°F)  

Chance of Rain 51%  

Precipitation 101 mm (4 in)  

Rainy days 15 days  

Humidity 76% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 95 hours *  

Percentage Sunshine 48% *  

* Data from: Davos Dorf, Switzerland (11 KM, 7 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Arosa typically stay consistent throughout December, with daily highs averaging around -2°C (28°F). Nights are very cold, with lows around -5°C (23°F).

Average temperatures in December

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in December

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Arosa in December

Browse day-by-day weather records for Arosa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Arosa historical weather extremes in December

According to our 49 years of weather records for Arosa, the following extremes were recorded between 1976 and 2025.

• The warmest day in December was on December 21, 1989, with a maximum of 15°C (59°F).
• The coldest December day was on December 29, 2005, with a maximum of -13°C (9°F).
• The lowest overnight temperature recorded in December was -21°C (-6°F) (December 31, 2025).
• Peak precipitation in December occurred on December 22, 1991, when 44 mm (1.7 in) of precipitation was measured.

What to Wear in Arosa in December

Winter clothing is essential for visiting Arosa in December. If you have a heavy coat, waterproof boots with good traction, and plenty of warm layers it's smart to bring them. Pack cloths like thermal underwear, wool socks, and insulated gloves. Prepare for significant rainfall with proper waterproof clothing and shoes. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Arosa in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

1/10

Cycling

1/10

Walking

1/10

Camping

1/10

Outdoor sports

1/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Arosa's climate page.

More climate data for Arosa

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Arosa climate overview or explore weather in Switzerland.