The highest day temperature in October 2026 was 67°F. The lowest night temperature was 22°F. The average values for day and night temperatures during October were 53.8°F и 38.0°F respectivly.

The average sea surface temperature in October 2026 for Chamonix was 64.8°F. The maximum and minimum values were 58.2°F and 69.8°F respectively.

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation total in October for Chamonix is 2.4 in. It makes october the least rainy month of the year.

The average wind speed in October is 4.4 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Chamonix in October is 6.9 hours.