France
Chamonix in December: weather & travel advice
This month's data profile
Rain shapes the decision
Chamonix in December is climatically mixed. The average daily high is around -1 °C. With about 14 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
26/100 · #12
Warmth
#10
Dryness
#8
Sun
#12
Published best categories: none
Chamonix · DecemberPhoto: Alain Bourque · CC BY 3.0Climate facts
- Average high
- -1 °C
- Average low
- -9 °C
- Rainy days (est.)
- 14 rainy days (est.)
- Sun (est.)
- 1 h/day
- Humidity
- 84 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| November | 3 | -5 | 14 | 102 | 1.8 | 84 | 0.8 | 27 |
| December (selected) | -1 | -9 | 14 | 116 | 1.4 | 84 | 0.9 | 26 |
| January | -2 | -11 | 12 | 100 | 1.8 | 85 | 1.0 | 29 |
How do the previous and next months compare?
Baseline: December (26/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| November | +1 | +4.2 °C | +4.1 °C | +0.1 | -14.3 mm | +0.4 h | +0.5 % | -0.1 m/s |
| January | +3 | -1.4 °C | -2 °C | -1.4 | -16.2 mm | +0.4 h | +1.2 % | +0.1 m/s |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Chamonix in December?
The average daily high is around -1 °C, with an average daily low of about -9 °C.
Does it rain a lot in Chamonix in December?
The curated estimate is about 14 rainy days per month, not a directly measured long-term average. Total precipitation averages around 116 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Chamonix?
By the climate score, August are the strongest months for Chamonix. December is not among them.