The highest day temperature in December 2025 was 39°F. The lowest night temperature was 9°F. The average values for day and night temperatures during December were 24.5°F и 21.9°F respectivly.

The average sea surface temperature in December 2025 for Charlevoix was 40.8°F. The maximum and minimum values were 36.2°F and 45.8°F respectively.

Most of the days in December are gloomy but you can also expect sunny days.

Precipitation total in December for Charlevoix is 0.7 in. It makes december one of the least rainy months of the year.

The average wind speed in December is 12.9 mph. It makes December the most windy month of the year for Charlevoix.

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 Charlevoix in December is 1.8 hours.