December · France
Best time to visit Chamonix in December Weather, crowds & prices
Weather in Chamonix in December
Average temperature 1°C, 182 mm of rain, about 19 days with 6+ hours of sunshine and 67% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
7.2/10
Ranked #2 of 12 months
- Avg temp
- 1°C
- Rainfall
- 182 mm
- Humidity
- 67%
- Days with 6h+ sun
- 19
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Chamonix scores 7.2/10 for snow and ski travel - one of the top 12-month picks (#2). Expect around 1°C, 182 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.
Alpine ski slopes and glacial panoramas reach their peak in the crisp, snow-laden heart of January.
December in Chamonix: strong conditions, 2nd of 12
At 1°C (34°F) this is proper winter weather in December: layer up and split the day between outdoor highlights and indoor stops.
182 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with about 19 days with 6+ hours of sunshine and 8.7 hours of daylight.
That is 7.2/10 on the same scale — 2nd of 12 months, versus 8.3/10 for the best month here.
Pack insulated layers, a windproof shell, gloves and boots with grip, a waterproof shell rather than an umbrella, goggles and a helmet if you are not renting.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Chamonix in December?
- In December, Chamonix averages 1°C, 182 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 7.2/10.
- Is December a good time to visit Chamonix?
- December earns a 7.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Chamonix in December?
- Expect about 182 mm of rain in December. Average humidity is 67% and there are about 19 days with 6+ hours of sunshine.
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