The highest day temperature in December 2023 was 57°F. The lowest night temperature was 30°F. The average values for day and night temperatures during December were 46.4°F и 41.5°F respectivly.

The average sea surface temperature in December 2023 for Annapolis was 45.6°F. The maximum and minimum values were 42.2°F and 49.6°F respectively.

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

Precipitation total in December for Annapolis is 1.6 in. It makes december one of the most rainy months of the year.

The average wind speed in December is 8.5 mph.

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 Annapolis in December is 5.2 hours.