The highest day temperature in January 2026 was 57°F. The lowest night temperature was 10°F. The average values for day and night temperatures during January were 34.7°F и 27.3°F respectivly.

The average sea surface temperature in January 2026 for Annapolis was 35.1°F. The maximum and minimum values were 29.8°F and 37.8°F respectively.

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

Precipitation total in January for Annapolis is 1.1 in.

The average wind speed in January is 9.8 mph. It makes January one of the most windy months of the year for Annapolis.

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 January is 5.8 hours.