The highest day temperature in May 2023 was 59°F. The lowest night temperature was 25°F. The average values for day and night temperatures during May were 47.2°F и 35.4°F respectivly.

The average sea surface temperature in May 2023 for Chamonix was 57.0°F. The maximum and minimum values were 51.6°F and 61.8°F respectively.

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in May for Chamonix is 6.3 in. It makes may the most rainy month of the year.

The average wind speed in May is 4.5 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 May is 7.8 hours.