Grant County Climate
Grant County, West Virginia
Avg Annual Temp
50.8°F
Annual Precip
46.5"
Annual Snowfall
117.8"
Extreme Heat Days
15.75
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Grant County Weather
A cooler climate with heavy winter impact
Grant County averages 50.8°F annually, making it notably cooler than the national median. Its position creates a unique microclimate that produces significantly more snow than most of the United States.
One of West Virginia's winter leaders
Grant County is cooler than the state average of 52.8°F, but its true distinction is the 117.8 inches of annual snowfall. This is more than double the state average, defining the county's winter identity.
Outpacing neighbors in winter accumulation
While neighboring Hardy County receives only 21.4 inches of snow, Grant County is buried under nearly 118 inches. This massive disparity occurs despite the counties sharing similar summer high temperatures.
Mild summers met by extreme winter snow
July averages a comfortable 71.5°F, though 16 days still top 90°F. Winter is the dominant season, defined by a January average of 29.6°F and persistent, heavy snowfalls.
Winter readiness is a year-round requirement
Residents must invest in high-capacity snow removal equipment to handle the 117.8 inches of annual snowfall. Structural reinforcement for roof snow loads and cold-weather insulation are critical for local homes.
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.