Chamonix weather in January
January in Chamonix: freezing, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Chamonix · #93 of 604 destinations to visit in January · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Chamonix climate normals — January
| Daytime high | 1°C / 34°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -7°C / 19°F | |
| Feels like (high) | -2°C / 28°F | |
| Rainfall | 148 mm / 5.8 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 74% | 💧 humid |
| Dew point | -7°C / 19°F | |
| Sunshine | 5.8 h/day | |
| Daylight | 9.1 h | |
| Wind | 7 km/h / 4 mph | |
| Snowfall | 116.7 cm / 45.9 in | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Chamonix?
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Chamonix in January — FAQ
- Is January a good time to visit Chamonix?
- January in Chamonix: freezing, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Chamonix on SeasonMap's comfort score (85/100).
- What is the weather like in Chamonix in January?
- In January, Chamonix averages a daily high of 1.3°C and a low of -7.3°C, with about 148.4 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Chamonix in January?
- Chamonix has a mean US Air Quality Index of about 35 in January.
- Does it snow in Chamonix in January?
- Chamonix sees roughly 116.7 cm of snowfall in January.