Manassas City County, VA Climate

Manassas city, VA County has a humid subtropical climate with hot, humid summers and cool, wet winters. The average temperature is typically in the mid 60s during the winter months and in the mid 80s during the summer months. Precipitation is moderate throughout the year with between 30-40 inches of rain each year. Snowfall is usually light with an average of about 6 inches per year. Manassas typically experiences more precipitation during the spring and summer months than other times of the year.

Manassas City County, Virginia gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Manassas City County averages 22 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Manassas City County. The US average is 205 sunny days.

Manassas City County gets some kind of precipitation, on average, 120 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 24
Rain: averages 43 inches of rain a year
Snow: averages 22 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Manassas city County is 7.3 (10=best), which means it is about average compared to other places in Virginia.

8 Summer - 5.7 Winter

September, May and June are the most pleasant months in Manassas city County, while January and February are the least comfortable months.

Climate	Manassas City, Virginia	United States
	42.9 in.	38.1 in.
	21.5 in.	27.8 in.
	119.5 days	106.2 days
	197 days	205 days
	87.6°	85.8°
	23.7°	21.7°
	7.3	7
	4.1	4.3
	249 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 Manassas city County with an average high temperature of 87.6°, which ranks it as warmer than most places in Virginia. In Manassas city County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Manassas city County are September, May and June.

In Manassas city County, there are 27.7 days annually when the high temperature is over 90°, which is hotter than most places in Virginia.

January has the coldest nighttime temperatures for Manassas city County with an average of 23.7°. This is about average compared to other places in Virginia.

In Manassas city County, there are 102.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Virginia.

In Manassas city County, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.

The humidity is usually acceptable in Manassas city County but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most uncomfortably humid months in Manassas city County.

May is the wettest month in Manassas city County with 4.6 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.9 inches in Manassas city County means that it is drier than most places in Virginia.

May is the rainiest month in Manassas city County with 12.2 days of rain, and October is the driest month with only 8.1 rainy days. There are 119.5 rainy days annually in Manassas city County, which is rainier than most places in Virginia. 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 21.5 inches in Manassas city County means that it is one of the snowiest places in Virginia. February is the snowiest month in Manassas city County with 7.8 inches of snow, and 5 months of the year have significant snowfall.

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