Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Crans-Montana Weather in December

In Crans-Montana, December brings very low daytime temperatures around -3°C (27°F), with nights cooling to -12°C (10°F). Expect quite a bit of snowfall this month.

Rainfall in Crans-Montana in December

On average, there are about 14 days with snow during this month, averaging 140 mm (5.5 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Crans-Montana in December

Temperatures in Crans-Montana in December top out at -3°C (27°F) and drop to -12°C (10°F) overnight. December is in the winter season. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. At -12°C (10°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. It's a frigid month, so wearing warm clothing is crucial. Don't underestimate the cold; prepare accordingly.

Sunshine in Crans-Montana in December

The month is characterized by fewer sunny days, with roughly 70 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

Wind Speed in Crans-Montana in December

December has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.

December in Crans-Montana 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.

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

Crans-Montana Temperature in December

Min TemperatureMin Temperature -12°C (10°F)  
Max TemperatureMax Temperature -3°C (27°F)  
Chance of RainChance of Rain 47%  
PrecipitationPrecipitation 140 mm (5.5 in)  
Rainy daysRainy days 14 days  
HumidityHumidity 83% *  
WindspeedWindspeed 1 m/s (2 knots) *  
SunshineSunshine 70 hours *  
Percentage SunshinePercentage Sunshine 50% *  
* Data from: Sion, Switzerland (13 KM, 8 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Crans-Montana typically stay consistent throughout December, with daily highs averaging around -3°C (27°F). Nights are very cold, with lows typically ranging from -5°C (23°F) to -2°C (28°F).

Average temperatures in 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

Historical weather for Crans-Montana in December

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

Crans-Montana historical weather extremes in December

Based on 49 years of weather observations in Crans-Montana between 1976 and 2025, these are the recorded extremes.

  • Crans-Montana recorded its highest December temperature of 14°C (57°F) on December 16, 1989.
  • The coldest December day was on December 29, 2005, with a maximum of -11°C (12°F).
  • The coldest night in December in Crans-Montana was on December 25, 1986, with a minimum of -18°C (0°F).
  • Peak precipitation in December occurred on December 22, 1991, when 80 mm (3.1 in) of precipitation was measured.

Best Places in Switzerland in December

Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in December →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Crans-Montana in December

We recommend you pack up your warm winter gear for Crans-Montana in December. If you have insulated boots, thermal layers, and a heavy winter coat that can handle snow and freezing temperatures it's smart to bring them. Don't forget gloves, a warm hat, and a scarf. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Crans-Montana 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.

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

More climate data for Crans-Montana