Frederick County Climate

Frederick County, Virginia

JanFebMarAprMayJunJulAugSepOctNovDec52.8°AVG °F

Avg Annual Temp

52.8°F

Annual Precip

40.0"

Annual Snowfall

25.1"

Extreme Heat Days

24.450000000000003

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.6"
2.3"
3.5"
3.4"
4.0"
4.2"
3.5"
3.5"
4.2"
3.1"
2.9"
2.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring41°61°10.9"Summer70°74°11.2"Fall44°65°10.2"Winter31°35°7.8"20°40°60°80°100°

National Comparison

Warmer than 43% of US counties
Wetter than 45% of US counties
More seasonal variation than 45% of US counties

Climate Profile

About Frederick County Weather

Cooler Mountain Air in Frederick County

Frederick County averages 52.8°F annually, placing it slightly below the national median for temperature. The region experiences a humid continental climate with distinct seasonal shifts and moderate precipitation of 40.0 inches.

Below the State Temperature Average

The county's annual average of 52.8°F is cooler than the Virginia state average of 55.9°F. This lower temperature profile reflects its position in the northern Shenandoah Valley.

Snowier Peaks Than Eastern Neighbors

Frederick receives 25.1 inches of snow annually, which is significantly higher than coastal or central Virginia neighbors. It maintains a cooler summer average of 72.1°F compared to the warmer urban corridors to the east.

Cold Winters and Managed Summer Heat

Winter temperatures average 33.4°F, supporting the county's robust annual snowfall. While summers reach a July average of 74.2°F, residents only face about 24 days of extreme heat above 90°F.

Prepare for Snow and Seasonal Shifts

Residents should invest in high-quality snow removal equipment to manage over two feet of annual snowfall. Reliable home heating systems are essential for the sub-freezing January nights that average 31.3°F.

Frequently Asked Questions

What is the average temperature in Frederick County?
The average annual temperature in Frederick County, VA is 52.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Frederick County get?
Frederick County receives an average of 40.0 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Frederick County?
Yes, Frederick County receives an average of 25.1 inches of snowfall per year according to NOAA climate normals.
How hot does Frederick County get in summer?
The average summer temperature (June-August) in Frederick County is 72.1°F. The county experiences an average of 24.450000000000003 days per year above 90°F.
How cold are winters in Frederick County?
The average winter temperature (December-February) in Frederick County is 33.4°F. January, typically the coldest month, averages 31.3°F.

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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.

Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

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