Chamonix weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Fair
Best time to visit: June – September
Best for skiing: December – March
What is the weather like in Chamonix in October?
In October, Chamonix is cool: daytime highs average 14 °C, and nights cool down to about 4 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 112 mm in total. All in all, October is a so-so month for a holiday in Chamonix.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 71 | 57 | 15 |
| Day | 18° | 14° | 7° |
| Night | 8° | 4° | −3° |
| Sun | 6 h | 5 h | 4 h |
| Rain days | 13 | 13 | 14 |
More details for October
- Daylight
- 11 h 1 min07:48 – 18:49
- UV index
- 3 · moderateclear sky, noon (estimate)
- 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
- 1 day1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 50 %78 %
- Sunshineweight 20 %33 %
- Few rainy daysweight 30 %39 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Chamonix in October: quick answers
Is Chamonix hot in October?
No. In October, Chamonix is cool: daytime highs average 14 °C and nights drop to about 4 °C.
Does it rain much in Chamonix in October?
Rain is frequent, with about 13 rainy days and 112 mm in total.
Chamonix month by month
The whole year in ChamonixAll destinations: France
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)