Monthly weather forecast and climate
Baltimore, MD

A golden evening appearance of tall buildings in Baltimore, Maryland, with the clear sky
A golden evening appearance of tall buildings in Baltimore, Maryland, with the clear sky
Baltimore, the largest city in the US state of Maryland and one of the most populated cities of the United States, has a humid subtropical climate (Köppen climatic classification Cfa). The weather is characterized by hot, humid summers and cold, wet winters. Baltimore experiences partly cloudy skies all year and mildly steady humidity levels.

Spring is magnificent in Baltimore, bringing along a rise in temperature to the range of 38.8°F (3.8°C) and 65.5°F (18.6°C). The least humidity levels are registered during spring, with a slight increase in the amount of rainfall. With an average of six hours of sunshine throughout spring, the days remain mildly cold and tolerable. The peak of spring becomes lovelier with the blossoming of flowers all over Baltimore, and most tourists take to the parks to partake of the beautiful scents and fresh air.

Summer comes to Baltimore from May to September. The season is characterized by a temperature in the range of 56.8°F (13.8°C) and 89.1°F (31.7°C). The average sunshine hours during summer are eight per day, and most days remain warm and pleasant. Summer is the peak of tourism in Baltimore, but it is the rainiest period, as well as the season with the warmest sea for swimming, among other sea activities.

Autumn in Baltimore comes with moderately low rainfall and humidity levels. The weather is generally tolerable and lovely, with temperature in the range of 43°F (6.1°C) and 68.4°F (20.2°C). Autumn is an excellent time to tour Baltimore as crowds reduce with the close of summer. Autumn festivals and celebrations go on late into the evenings with up to ten hours of daylight and an average of five and a half hours of sunshine per day.

Winter in Baltimore comes with tolerable daytimes and chilly nights. Snowfall is a regular occurrence, with the highest snow being received in February. February is also the driest month with meager precipitation of 2.6" (66mm) on average. Humidity during winter is generally steady, barely going above 63.3% on average. There are approximately five hours of sunshine during winter, making the daytime moderately tolerable. The warm dressing is essential throughout the season.
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The best time to visit Baltimore is during spring, from mid-March to April, and during autumn, from October to mid-November.
During spring, the weather is more tolerable, and the warm temperature makes most days pleasant. There is minimal rainfall during spring; therefore, it is an excellent time to tour Baltimore without interruptions. The absence of the winter chill prompts more outdoor activities than in the other seasons, but as it is still mildly cold, the crowds remain minimal in Baltimore.
The prices of flights and accommodation are affordable, and there are no queues in all the sightseeing spots. Most parks during spring are beautiful, and striking with the wild blossoms all over, Baltimore looks like a massive flower garden.
During autumn, the excess heat of summer cools down into warm, pleasant weather with tolerable humidity. Outdoor activities still go on, but as most people leave at the end of summer, the crowds in Baltimore are manageable. The stunning fall looks even more magnificent viewed against the many statues and monuments in Baltimore. The fall transforms Baltimore into one huge golden reflection in the water as the season progresses.
There is minimal rainfall during autumn, and most tourists take this advantage to tour the lovely Baltimore even late into the night.

There is no inadequate time to visit Baltimore, but summer is not a good time for tourists looking to enjoy calm and peaceful vacations.
Most people flock into Baltimore during summer to take advantage of the weather. The results in crowds fully booked hotels, hiked prices, and fully booked flights. All the museums and site seeing spots remain packed, and long queues are experienced at every place. The beaches remain crowded throughout the season as it is the only time the sea temperature is favorable. The highest rainfall in Baltimore is received during summer, cutting short most afternoon tours.

Baltimore is susceptible to several weather hazards. Periodically, severe winter storms are experienced, which results in considerable damage. On the rainiest days, flooding occurs mostly as a result of the placement of Baltimore on the Atlantic Coastal Plain. The flooding comes with extensive damage throughout Baltimore. During the rainy days, Baltimore experiences dramatic lightning and thunderstorms that may provoke comprehensive damages.

January in Baltimore is the peak of winter and has the lowest temperature in the range of 29.1°F (-1.6°C) and 42.4°F (5.8°C). Weather in January »

The weather is generally cold, but the temperature rises slightly to the range of 31.5°F (-0.3°C) and 45.7°F (7.6°C). Weather in February »

March is a transitional month into spring, and Baltimore feels warmer as the temperature rises to a pleasant range of 38.8°F (3.8°C) and 54°F (12.2°C). Weather in March »

The temperature is in the warm range of 47.7°F (8.7°C) and 65.5°F (18.6°C), and unitedly with the seven and a half hours of sunshine per day, most days are pleasant and outdoor activities return to life. Weather in April »

May is the onset of summer in Baltimore. The weather is characterized by a rise in the temperature to a warm range of 56.8°F (13.8°C) and 75.2°F (24°C). Weather in May »

June brings a higher temperature to Baltimore with the mercury in the range of 67.1°F (19.5°C) and 84.9°F (29.4°C). Weather in June »

July is the hottest month of the year in Baltimore, with the temperature grazing the high range of 72.5°F (22.5°C) and 89.1°F (31.7°C). Weather in July »

August registers the highest humidity of the year averaging 71.1%, inducing a feeling of warmer weather in Baltimore despite the slight temperature drop to the range of 70.9°F (21.6°C) and 87.1°F (30.6°C). Weather in August »

Baltimore experiences a further drop in the temperature in September as the mercury shrinks to the range of 63.9°F (17.7°C) and 80.2°F (26.8°C). Weather in September »

October is a transitional month into autumn, and a further drop in the temperature to the range of 51.8°F (11°C) and 68.4°F (20.2°C) is registered. Weather in October »

November brings the perfect fall weather to Baltimore, with the mercury being in a pleasant range of 43°F (6.1°C) and 57.7°F (14.3°C). Weather in November »

Baltimore is cold in December, as the temperature decreases sharply to the low range of 32.7°F (0.4°C) and 46°F (7.8°C). Snowfall only occurs for approximately one and a half days with a low 3" (76.2mm) accumulation. Weather in December »

What is the coldest month in Baltimore?

January is the coldest month in Baltimore, Maryland, with an average high-temperature of 42.4°F (5.8°C) and an average low-temperature of 29.1°F (-1.6°C).

How much does it rain in Baltimore?

In Baltimore, during the entire year, the rain falls for 117.3 days, and collects up to 40.9" (1038.5mm) of precipitation.

When does it snow in Baltimore?

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

How much does it snow in Baltimore?

In Baltimore, Maryland, during the entire year, snow falls for 9.5 days, and aggregates up to 20.1" (510.6mm) of snow.

What is the driest month in Baltimore?

The month with the least rainfall is February when the rain falls for 8.4 days and typically collects 2.6" (66mm) of precipitation.

What is the snowiest month in Baltimore?

The month with the most snowfall in Baltimore, Maryland, is February when snow falls for 2.8 days and typically aggregates up to 8" (203.2mm) of snow.

What is the warmest month in Baltimore?

With an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 72.5°F (22.5°C), July is the warmest month.

What is the wettest month in Baltimore?

July is the month with the most rainfall. Rain falls for 10.7 days and accumulates 4.6" (117.3mm) of precipitation.
Average temperature - Baltimore, MD
Average humidity - Baltimore, MD

The month with the highest relative humidity is September (71.3%).
The month with the lowest relative humidity is April (58.9%).

Average rainfall - Baltimore, MD
Average rainfall days - Baltimore, MD

The month with the highest number of rainy days is May (11.2 days).
The month with the lowest number of rainy days is October (8.3 days).

Average snowfall - Baltimore, MD
Average snowfall days - Baltimore, MD

The month with the highest number of snowfall days is January (3.5 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature - Baltimore, MD

The best month for swimming (with the highest average sea temperature) is August (77.5°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

Average daylight / Average sunshine - Baltimore, MD