Climate guide for Chamonix, France

Chamonix in October

Weather, crowds & best time to visit

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October · France

Best time to visit Chamonix in October Weather, crowds & prices

Weather in Chamonix in October

Average temperature 10°C, 143 mm of rain, about 24 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

October score

1.6/10

Ranked #12 of 12 months

Full year for Chamonix
Avg temp
10°C
Rainfall
143 mm
Humidity
74%
Days with 6h+ sun
24
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

October in Chamonix scores 1.6/10 for snow and ski travel - ranked #12 of 12. Expect around 10°C, 143 mm of rain, and roughly 24 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.

October in Chamonix — the hardest end of the year

October averages 10°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Monthly rainfall reaches 143 mm — wet for this destination — but about 24 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 1.6/10 here, 12th of 12 months, against 8.3/10 in the destination's best month.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a waterproof shell rather than an umbrella.

Figure on low-season pricing, with crowds are light for this destination.

Flexible dates? January scores 6.7 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Chamonix in October?
In October, Chamonix averages 10°C, 143 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 1.6/10.
Is October a good time to visit Chamonix?
October earns a 1.6/10 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 October?
Expect about 143 mm of rain in October. Average humidity is 74% and there are about 24 days with 6+ hours of sunshine.

Curated in Chamonix

Tickets & experiences

Things to do in Chamonix

Chamonix, France. Live activities and tours from GetYourGuide, matched to this destination.