Monthly weather forecast and climate
Annapolis, MD

The Chesapeake Bay at dusk, in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome
The Chesapeake Bay at dusk, in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome
January, the same as December, is another cold winter month in Annapolis, Maryland, with temperature in the range of an average high of 40.3°F (4.6°C) and an average low of 29.8°F (-1.2°C). The coldest month is January, with an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 29.8°F (-1.2°C). Weather in January »

The last month of the winter, February, is a frosty month in Annapolis, Maryland, with average temperature varying between 43°F (6.1°C) and 32°F (0°C). In February, the average high-temperature is almost the same as in January - a frosty 43°F (6.1°C). Weather in February »

March, the first month of the spring, in Annapolis, is a cool month, with average temperature varying between 50.5°F (10.3°C) and 38.5°F (3.6°C). In March, the average high-temperature slightly increases, from a frosty 43°F (6.1°C) in February, to a cool 50.5°F (10.3°C). Weather in March »

April in Annapolis, Maryland, is a comfortable spring month, with average temperature fluctuating between 48.2°F (9°C) and 62.2°F (16.8°C). In April, the average high-temperature rises, from a cool 50.5°F (10.3°C) in March, to a comfortable 62.2°F (16.8°C). Weather in April »

May, the last month of the spring, in Annapolis, is an agreeable month, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 57.7°F (14.3°C). In Annapolis, the average high-temperature increases, from a comfortable 62.2°F (16.8°C) in April, to an agreeable 71.2°F (21.8°C). Weather in May »

The first month of the summer, June, is a warm month in Annapolis, Maryland, with average temperature varying between 66.7°F (19.3°C) and 79.3°F (26.3°C). In Annapolis, Maryland, the average high-temperature marginally rises, from an agreeable 71.2°F (21.8°C) in May, to a warm 79.3°F (26.3°C). Weather in June »

July, like June, in Annapolis, Maryland, is a moderately hot summer month, with average temperature varying between 84.7°F (29.3°C) and 72°F (22.2°C). With an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 72°F (22.2°C), July is the warmest month. The average heat index is evaluated at a tropical 93.6°F (34.2°C). Weather in July »

August, the last month of the summer, in Annapolis, is also a moderately hot month, with average temperature varying between 70.5°F (21.4°C) and 83.3°F (28.5°C). In Annapolis, Maryland, the average high-temperature in August is essentially the same as in July - a still warm 83.3°F (28.5°C). Weather in August »

The first month of the autumn, September, is still a warm month in Annapolis, Maryland, with average temperature ranging between min 64.6°F (18.1°C) and max 77°F (25°C). In September, the average high-temperature marginally drops, from a moderately hot 83.3°F (28.5°C) in August, to a still warm 77°F (25°C). Weather in September »

October, like September, in Annapolis, Maryland, is another enjoyable autumn month, with average temperature ranging between max 66.2°F (19°C) and min 54.5°F (12.5°C). In Annapolis, the average high-temperature decreases, from a moderately hot 77°F (25°C) in September, to an enjoyable 66.2°F (19°C). Weather in October »

November, the last month of the autumn, in Annapolis, is also a fresh month, with average temperature ranging between min 43.2°F (6.2°C) and max 54.5°F (12.5°C). In Annapolis, the average high-temperature in November decreases, from an enjoyable 66.2°F (19°C) in October, to a fresh 54.5°F (12.5°C). Weather in November »

December, the first month of the winter, in Annapolis, is still a chilly month, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 36.5°F (2.5°C). In Annapolis, Maryland, the average high-temperature slightly decreases, from a cool 54.5°F (12.5°C) in November, to a chilly 46°F (7.8°C). Weather in December »

What is the coldest month in Annapolis?

With an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 29.8°F (-1.2°C), January is the coldest month.

What are the least humid months in Annapolis?

January, March, April and November, with an average relative humidity of 72%, are the least humid months in Annapolis, Maryland.

How much does it rain in Annapolis?

Throughout the year, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

What is the driest month in Annapolis?

January is the month with the least rainfall. Rain falls for 6 days and accumulates 0.47" (12mm) of precipitation.

When does it snow in Annapolis?

Months with snowfall are January through March, November and December.

How many days does it snow in Annapolis?

Throughout the year, there are 8.3 snowfall days, and 1.22" (31mm) of snow is accumulated.

What is the snowiest month in Annapolis?

The month with the most snowfall in Annapolis, Maryland, is January when snow falls for 2.3 days and typically aggregates up to 0.67" (17mm) of snow.

What is the month with the lowest UV index in Annapolis?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Annapolis.

What month is the ocean coldest in Annapolis?

With an average ocean temperature of 45.1°F (7.3°C), February is the month with the coldest seawater in Annapolis.

What is the month with the least sunshine in Annapolis?

With an average of 5h of sunshine, February has the least sunshine of the year.

When it does not snow in Annapolis?

In Annapolis, Maryland, snow does not fall in April through October.

What is the most humid month in Annapolis?

May is the most humid month in Annapolis, Maryland, with an average relative humidity of 78%.

What is the month with the highest UV index in Annapolis?

Months with the highest UV index in Annapolis, Maryland, are May through August, with an average maximum UV index of 6.

When are the longest days in Annapolis?

With an average of 14.9h of daylight, June has the longest days of the year in Annapolis, Maryland.

What is the warmest month in Annapolis?

July is the warmest month in Annapolis, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 72°F (22.2°C).

What month has the most sunshine in Annapolis?

The month with the most sunshine is July, with an average of 10.8h of sunshine.

What is the rainiest month in Annapolis?

August is the month with the most rainfall. Rain falls for 14.3 days and accumulates 1.69" (43mm) of precipitation.

What is the month with the warmest ocean in Annapolis?

August is the month with the warmest seawater in Annapolis, Maryland, with an average ocean temperature of 77.7°F (25.4°C).

What is the month with the shortest days in Annapolis?

December has the shortest days of the year in Annapolis, with an average of 9.5h of daylight.
Average pressure - Annapolis, MD

The month with the highest atmospheric pressure is November (1020.4mbar).
The month with the lowest atmospheric pressure is June (1014mbar).

Average wind speed - Annapolis, MD

The windiest month (with the highest average wind speed) is January (16.1km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).

Average humidity - Annapolis, MD
Average rainfall - Annapolis, MD
Average rainfall days - Annapolis, MD

Months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall - Annapolis, MD

The month with the highest snowfall is January (17mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days - Annapolis, MD

The month with the highest number of snowfall days is February (2.5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature - Annapolis, MD

The best month for swimming (with the highest average sea temperature) is August (25.4°C).
The coldest month (with the lowest average sea temperature) is February (7.3°C).

Average daylight / Average sunshine - Annapolis, MD

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5h).

Average sunshine days - Annapolis, MD

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index - Annapolis, MD
Average visibility - Annapolis, MD

Months with the highest visibility are February, April, June, July, August, October and November (10km).
Months with the lowest visibility are January, March, May, September and December (9km).