Frederick County, VA Climate

Frederick, VA County has a typical mid-Atlantic climate, characterized by hot and humid summers and cold winters. The area receives ample precipitation throughout the year, with an average of 40 inches per year. Summer highs average around 85 degrees Fahrenheit while winter lows can reach below freezing. The county also gets its share of snow in the colder months; sometimes as much as 30 inches accumulates over the course of the season. Residents can expect to experience a range of weather in Frederick, from mild temperatures to severe thunderstorms and even occasional tornadoes or hurricanes during the warmer months.

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

Frederick 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 Frederick County. The US average is 205 sunny days.

Frederick County 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 86 degrees
Winter Low: the January low is 21
Rain: averages 38 inches of rain a year
Snow: averages 22 inches of snow a year

Bestplaces Comfort Index

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

8.7 Summer - 5.5 Winter

June, September and August are the most pleasant months in Frederick County, while January and February are the least comfortable months.

Climate	Frederick, Virginia	United States
	38.4 in.	38.1 in.
	21.8 in.	27.8 in.
	114.6 days	106.2 days
	197 days	205 days
	85.7°	85.8°
	21.4°	21.7°
	7.3	7
	4.2	4.3
	913 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 Frederick County with an average high temperature of 85.7°, which ranks it as cooler than most places in Virginia. In Frederick County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Frederick County are September, June and May.

In Frederick County, there are 19.7 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

January has the coldest nighttime temperatures for Frederick County with an average of 21.4°. This is colder than most places in Virginia.

In Frederick County, there are 116.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Virginia.

In Frederick County, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Virginia.

The humidity is usually comfortable in Frederick 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. The most humid months are July, August and June.

May is the wettest month in Frederick County with 3.9 inches of rain, and the driest month is January with 2.4 inches. The wettest season is Summer with 28% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 38.4 inches in Frederick County means that it is one of the driest places in Virginia.

May is the rainiest month in Frederick County with 12.5 days of rain, and February is the driest month with only 7.7 rainy days. There are 114.6 rainy days annually in Frederick County, which is about average compared to other places in Virginia. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 21.8 inches in Frederick County means that it is one of the snowiest places in Virginia. February is the snowiest month in Frederick County with 7.6 inches of snow, and 5 months of the year have significant snowfall.

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