The highest day temperature in December 2024 was 36°F. The lowest night temperature was -9°F. The average values for day and night temperatures during December were 22.5°F и 17.2°F respectivly.

The average sea surface temperature in December 2024 for Duluth was 35.7°F. The maximum and minimum values were 31.2°F and 39.6°F respectively.

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

Precipitation total in December for Duluth is 0.6 in.

The average wind speed in December is 7.8 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 Duluth in December is 2.8 hours.