Frederick County Climate
Frederick County, Virginia
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
Precipitation Calendar
Seasonal Overview
National Comparison
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
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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.