Zip 20015 (Washington, DC) Climate

In 2015, Washington, DC experienced a mild climate with average temperatures ranging from the mid-30s in January to the mid-80s in July. The city saw an average of 45 inches of precipitation throughout the year, with most of it falling during the summer months and less during winter. Summers were generally hot and humid with occasional thunderstorms. Winters were mild but could still see snowfall and freezing temperatures at times.

Washington (zip 20015), District of Columbia gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Washington (zip 20015) 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 Washington (zip 20015). The US average is 205 sunny days.

Washington (zip 20015) gets some kind of precipitation, on average, 113 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 88 degrees
Winter Low: the January low is 25
Rain: averages 44 inches of rain a year
Snow: averages 14 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 20015 zip code is 7.3 (10=best), which means it is one of the most pleasant places in the District of Columbia.

7.8 Summer - 5.8 Winter

September, May and June are the most pleasant months in the 20015 zip code, while January and February are the least comfortable months.

Climate	Washington, District of Columbia	United States
	Unlock	38.1 in.
	14.4 in.	Unlock
	Unlock	106.2 days
	202 days	Unlock
	88.3°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	313 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 the 20015 zip code with an average high temperature of 88.3°, which ranks it as one of the coolest places in the District of Columbia. In the 20015 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 20015 zip code are September, May and June.

In the 20015 zip code, there are 32.7 days annually when the high temperature is over 90°, which is one of the coolest places in the District of Columbia.

January has the coldest nighttime temperatures for the 20015 zip code with an average of 25.1°. This is one of the coldest places in the District of Columbia.

In the 20015 zip code, there are 89.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in the District of Columbia.

In the 20015 zip code, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in the District of Columbia.

The humidity can be uncomfortably heavy or close in the 20015 zip code 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 20015 zip code.

July is the wettest month in the 20015 zip code with 4.4 inches of rain, and the driest month is January with 2.9 inches. The wettest season is Autumn with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 43.6 inches in the 20015 zip code means that it is one of the wettest places in the District of Columbia.

May is the rainiest month in the 20015 zip code with 11.3 days of rain, and October is the driest month with only 8.3 rainy days. There are 112.6 rainy days annually in the 20015 zip code, which is one of the least rainy places in the District of Columbia. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 14.4 inches in the 20015 zip code means that it is one of the snowiest places in the District of Columbia. January is the snowiest month in the 20015 zip code with 5.5 inches of snow, and 5 months of the year have significant snowfall.

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