Mountain air

Chamonix weather in December

Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

10

Holiday weather in December

Poor

Best time to visit: June – September

Best for skiing: December – March

What is the weather like in Chamonix in December?

In December, Chamonix is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−7 °C). The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 13 days, totalling 132 mm. Snow falls on about 9 days. All in all, December is not an ideal month for a holiday in Chamonix.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score111011
Day7°2°1°
Night−3°−7°−8°
Sun3 h3 h3 h
Rain days141313

More details for December

Daylight
8 h 41 min08:07 – 16:48
UV index
1 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or more
Wind
8 km/haverage daily peak
Cloud cover
64 %on average
Hot days
0 days30 °C or more
Snow days
9 days1 cm or more of fresh snow
Time zone
UTC+1Europe/Paris

How the score comes together

  • Temperatureweight 50 %0 %
  • Sunshineweight 20 %0 %
  • Few rainy daysweight 30 %33 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in December

  • Warm jacket
  • Hat, scarf & gloves
  • Rain jacket or umbrella

Chamonix in December: quick answers

Is Chamonix hot in December?

No. In December, Chamonix is freezing cold: daytime highs average 2 °C and nights drop to about −7 °C.

Does it rain much in Chamonix in December?

Rain is frequent, with about 13 rainy days and 132 mm in total.

Chamonix month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)