Annapolis (MD) Weather & Climate: Best Time to Visit

The climate in Annapolis, Maryland, United States of America, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in July to 6°C (43°F) in January.

With around 1203 mm (47 in) of annual rain/snowfall, Annapolis has a notably wet climate. The wettest month is June. June is the sunniest month, averaging 9.4 hours of sunshine per day.

Monthly Temperature in Annapolis

In Annapolis, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 30°C (86°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 6°C (43°F).

At night, temperatures range from around 22°C (72°F) in July to -2°C (28°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Annapolis

Annapolis experiences significant rain/snowfall throughout the year, averaging 1203 mm (47 in) of precipitation annually. Annapolis can be quite wet during June, receiving approximately 145 mm (5.7 in) of precipitation over 12 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 66 mm (2.6 in) of precipitation spread across 10 rainy days days. For more details, please visit our Annapolis Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sunshine Hours in Annapolis

Annapolis can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 9.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Washington DC, the United States of America (48 KM, 30 Miles).

Daily hours of sunshine

Data from: Washington DC, the United States of America (48 KM, 30 Miles).

Daily percentage of sunshine

Data from: Washington DC, the United States of America (48 KM, 30 Miles).

Humidity in Annapolis by Month

The relative humidity is high throughout the year in Annapolis.

The city experiences its highest humidity in August, reaching 69%. In March, the humidity drops to its lowest level at 58%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

Data from: Washington DC, the United States of America (48 KM, 30 Miles).

Annapolis (MD) 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Annapolis

The best time to visit Annapolis is during May, June, July, August, September and October, when the weather provides comfortable temperatures between 19°C (67°F) and 30°C (86°F). With rainfall of 94 mm (3.7 in) to 145 mm (5.7 in), you can expect pleasant weather during your visit in these months.

Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.