Dorchester County, MD Climate

Dorchester County has a humid subtropical climate with hot and humid summers and mild to cool winters. The average high temperatures in the summer are typically between 80 and 90 degrees Fahrenheit, while the lows range from the mid-60s to the low-70s. Winters tend to be milder than in other parts of Maryland, with average highs in the 40s and 50s and lows in the 20s and 30s. Rainfall is distributed evenly throughout the year, averaging around 43 inches per year. Snowfall is rare, but can occur during winter months.

Dorchester County, Maryland gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dorchester County averages 10 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 209 sunny days per year in Dorchester County. The US average is 205 sunny days.

Dorchester County gets some kind of precipitation, on average, 106 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 89 degrees
Winter Low: the January low is 28
Rain: averages 46 inches of rain a year
Snow: averages 10 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Dorchester County is 7.4 (10=best), which means it is one of the most pleasant places in Maryland.

7.4 Summer - 6.2 Winter

September, May and October are the most pleasant months in Dorchester County, while January and February are the least comfortable months.

Climate	Dorchester, Maryland	United States
	Unlock	38.1 in.
	9.5 in.	Unlock
	Unlock	106.2 days
	209 days	Unlock
	88.9°	85.8°
	Unlock	21.7°
	7.4	Unlock
	Unlock	4.3
	10 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Dorchester County with an average high temperature of 88.9°, which ranks it as one of the hottest places in Maryland. In Dorchester County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dorchester County are May, September and June.

In Dorchester County, there are 32.0 days annually when the high temperature is over 90°, which is hotter than most places in Maryland.

January has the coldest nighttime temperatures for Dorchester County with an average of 28.1°. This is one of the warmest places in Maryland.

In Dorchester County, there are 69.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maryland.

In Dorchester County, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maryland.

The humidity can be uncomfortably heavy or close in Dorchester County during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in Dorchester County.

March is the wettest month in Dorchester County with 4.3 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Autumn with 27% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 45.5 inches in Dorchester County means that it is wetter than most places in Maryland.

April is the rainiest month in Dorchester County with 10.0 days of rain, and September is the driest month with only 7.2 rainy days. There are 106.0 rainy days annually in Dorchester County, which is one of the least rainy places in Maryland. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 9.5 inches in Dorchester County means that it is one of the least snowy places in Maryland. February is the snowiest month in Dorchester County with 3.8 inches of snow, and 4 months of the year have significant snowfall.

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