The highest day temperature in July 2026 was 76°F. The lowest night temperature was 41°F. The average values for day and night temperatures during July were 67.8°F и 49.8°F respectivly.

The average sea surface temperature in July 2026 for Chamonix was 79.0°F. The maximum and minimum values were 76.6°F and 83.2°F respectively.

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

Precipitation total in July for Chamonix is 4.6 in.

The average wind speed in July 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 July is 10.0 hours.