Berkeley County Climate
Berkeley County, West Virginia
Avg Annual Temp
54.0°F
Annual Precip
40.2"
Annual Snowfall
—
Extreme Heat Days
27.549999999999997
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Berkeley County Weather
Temperate mid-Atlantic weather patterns
Berkeley County averages 54.0°F annually, placing it within the temperate range of the mid-Atlantic zone. Its 40.2 inches of precipitation is lower than the wetter national averages found further south.
Warmer and drier than average
The county is warmer than the West Virginia average of 52.8°F and significantly drier than the 47.0-inch state mean. This puts Berkeley among the state’s warmer and less rainy Eastern Panhandle regions.
Transitioning from mountains to coast
Berkeley experiences 28 days of extreme heat annually, far more than the cooler uplands found in central West Virginia. It represents a transition zone where the Appalachian ridges meet the Atlantic coastal plain.
A month of extreme heat
Summers bring substantial heat with a July average of 75.7°F and 28 days hitting 90°F or higher. January stays slightly above freezing at 32.3°F, though specific snowfall records for the county are currently limited.
Cooling and conservation needs
Homeowners should ensure robust cooling systems are in place to manage nearly a month of extreme heat. Landscaping should account for the relatively low 40.2 inches of annual rainfall compared to the rest of the state.
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.