District of Columbia Climate

The climate in District of Columbia State is generally mild and humid. The summers are hot and humid, while the winters are cold but relatively short. Temperatures range from an average low of 30 degrees Fahrenheit in the winter to a high of 90 degrees during the summer months. Rainfall is abundant throughout spring and summer, with some snow accumulation in the colder months. Overall, District of Columbia State has a mild climate that allows for many outdoor activities all year round.

District of Columbia, District of Columbia gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

District of Columbia averages 14 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in District of Columbia. The US average is 205 sunny days.

District of Columbia gets some kind of precipitation, on average, 115 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 27
Rain: averages 43 inches of rain a year
Snow: averages 14 inches of snow a year

Bestplaces Comfort Index

The District of Columbia's annual BestPlaces Comfort Index of 7.3 (10=best) indicates it is more comfortable than most states in the United States.

7.5 Summer - 6 Winter

September, May and October are the most pleasant months in the District of Columbia, while January and February are the least comfortable months.

Climate	District of Columbia, District of Columbia	United States
	43.1 in.	38.1 in.
	13.6 in.	27.8 in.
	115.3 days	106.2 days
	202 days	205 days
	88.7°	85.8°
	26.7°	21.7°
	7.3	7
	4.1	4.3
	135 ft.	2443 ft.

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 The District of Columbia with an average high temperature of 88.7°, which ranks it as warmer than most states. In The District of Columbia, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for The District of Columbia are May, September and June.

District of Columbia has 35.7 days annually when the high temperature is over 90°, which is hotter than most states in the U.S.

January has the coldest nighttime temperatures for The District of Columbia with an average of 26.7°. This is warmer than most of the U.S. states.

District of Columbia has 77.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most states in the U.S.

District of Columbia averages 0.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most states in the U.S.

The humidity can be uncomfortably heavy or close in the District of Columbia 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 the District of Columbia.

July is the wettest month in District of Columbia with 4.3 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The District of Columbia's average annual rainfall of 43.1 inches indicates that it is about average compared to other states in the United States.

May is the rainiest month in District of Columbia with 11.6 days of rain, and October is the driest month with only 8.2 rainy days. The District of Columbia's annual average of 115.3 days with measurable rain is about average compared to other states in the United States. 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.

The District of Columbia's average annual snowfall of 13.6 inches indicates that it is one of the least snowy states in the United States. January is the snowiest month in the District of Columbia with 5.4 inches of snow, and 5 months of the year have significant snowfall.

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Over 9 years ago

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Over 10 years ago

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District of Columbia Climate

Weather Highlights

Bestplaces Comfort Index

7.5 Summer - 6 Winter

Climate

YOU SHOULD KNOW

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