Annual average weather for Maryland, United States

Search

Best
Best
Best
Best
Tan
Tan
Tan
Tan
Tan
Sea
 
Sea
10°
 
Sea
 
Sea
11°
 
Sea
11°
 
Sea
20°
Swim
Sea
21°
Swim
Sea
23°
Swim
Sea
20°
Swim
Sea
17°
 
Sea
11°
 
Sea
 

Annual Average Weather for Maryland, United States

The annual average maximum daily temperature is 18.4°C (65.1°F) which is not that warm but sunbathing may be possible on some clear days. The annual average water temperature is typically 13.4°C (56.2°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea. Annually there are on average 11.3 days of rain per month and 8.6 hours of sun per day.

When is the best time to visit Maryland?

The best months to visit Maryland are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The weather is perfect for sunbathing in the months from June to August when the maximum temperature reaches above 26°C (72°F)

The sea is best for swimming between June and October when the sea temperature is above the average 13°C (56°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Can you sunbathe in Maryland year round?

No, you can't sunbathe in Maryland all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

The weather is best for sunbathing in the months from June to August when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Maryland year round?

No, you can't swim in Maryland all year round.

The warmest sea water temperatures in Maryland are found in August when they peak at 23°C (73°F) and lowest in March when they dip to 3°C (38°F).

The sea temperature is above average for swimming between June and October when the sea temperature is above 13°C (56°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

The sea is good for swimming in the months from June to September when the sea temperature is above 19°C (66°F)

More info about the annual sea temperatures

When is the hottest month in Maryland?

The hottest month in Maryland is July when the average maximum temperature is very warm and perfect for sunbathing on clear days 30°C (85°F), average temperature is 25°C (77°F) and average minimum temperature is 21°C (70°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Maryland?

The coolest month in Maryland is January when the average maximum temperature is 7°C (45°F), average temperature is 3°C (37°F) and average minimum temperature is -2°C (29°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Maryland?

The sunniest days in Maryland are in July which has the most hours of sunshine per day. In July the sunshine percentage is 78% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.6hrs making the days long and bright.

More info about the annual sunshine.

When is the least sunny month in Maryland?

December has the least sunshine. In December the sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright.

More info about the annual sunshine.

When is the driest month in Maryland?

The driest month in Maryland is February with 5.4cm (2.1inches) of rain and July has the fewest days of rain with 10.3 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall

When is the wettest month in Maryland?

The wettest month in Maryland is December with 9.4cm (3.7inches) of rain and October has the most days of rain with 12.6 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Maryland?

The coldest sea water temperatures in Maryland are found in March when they dip to 3°C (38°F) which is extremely cold and not suitable for swimming. Taking a dip at this temperature would risk hypothermia.

More info about the annual sea temperatures.

When is the sea the warmest in Maryland?

The warmest sea water temperatures in Maryland are found in August when they peak at 23°C (73°F) which is warm and pleasant for relaxing and swimming for long periods.

More info about the annual sea temperatures.

When is the most humid month in Maryland?

The most humid month in Maryland is July with a dew point (an indicator of humidity) of 23°C (73°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.

More info about the annual humidity.

When is the least humid month in Maryland?

The least humid month in Maryland is February with a dew point of 1°C (34°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Maryland?

The most windy month in Maryland is February when the average maximum windspeed is 26KM/H (16MPH) and the average wind speed is 13KM/H (8MPH).

More info about the annual wind conditions.

Annual Temperature for Maryland

The hottest month in Maryland is July when the average maximum temperature is 30°C (85°F), average temperature is 25°C (77°F) and average minimum temperature is 21°C (70°F).

The coolest month in Maryland is January when the average maximum temperature is 7°C (7°F), average temperature is 3°C (37°F) and average minimum temperature is -2°C (29°F).

Annual Sunshine for Maryland

The longest days in Maryland are in June, with an average of 14.8 hours of daylight per day. December has the shortest days with an average of 9.5 hours of daylight per day.

The sunniest days in Maryland are in July which has the most hours of sunshine per day. The sunshine percentage is 78% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.6hrs making the days long and bright.

December has the least sunshine. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright.

The ultraviolet index is the highest in July when it reaches 10.2 and lowest in December when it reaches 1.9.

An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Maryland

The warmest sea water temperatures in Maryland are found in August when they peak at 23°C (73°F) and lowest in March when they dip to 3°C (38°F).

The sea is best for swimming between June and October when the temperature is above 13°C (56°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Annual Rainfall for Maryland

The wettest month in Maryland is December with 9.4cm (3.7inches) of rain and October has the most days of rain with 12.6 days with some rain, a pretty wet time to visit the beach.

The driest month in Maryland is February with 5.4cm (2.1inches) of rain and July has the fewest days of rain with 10.3 days with some rain, a pretty wet time to visit the beach.

Annual Humidity for Maryland

The most humid month in Maryland is July with a dew point (an indicator of humidity) of 23°C (73°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.

The least humid month in Maryland is February with a dew point of 1°C (34°F) which is a bit dry for some.

Annual Wind Speed for Maryland

The most windy month in Maryland is February when the average maximum windspeed is 26KM/H (16MPH) and the average wind speed is 13KM/H (8MPH).

The least windy month in Maryland is August when the average maximum windspeed is 19KM/H (12MPH) and the average wind speed is 9KM/H (5MPH).

Best Beaches

PICK A MONTH FOR BEST BEACHES IN UNITED STATES

Monthly Averages

Suggested Beaches

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

Booking.com Search FlightsImage

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.