Gilmer County Climate
Gilmer County, West Virginia
Avg Annual Temp
52.5°F
Annual Precip
48.5"
Annual Snowfall
25.1"
Extreme Heat Days
12.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Gilmer County Weather
Gilmer County matches the temperate national median
Gilmer County maintains an average annual temperature of 52.5°F, falling just below the national median. This temperate climate represents the classic Mid-Atlantic experience with four distinct but moderate seasons.
Following the West Virginia baseline closely
The county's 52.5°F average sits nearly level with the West Virginia state average of 52.8°F. While temperatures are standard for the state, Gilmer receives 48.5 inches of annual precipitation, slightly outpacing the state average of 47.0 inches.
A wetter alternative to neighboring regions
While Gilmer shares a similar thermal profile with neighbors like Harrison County, it receives about 2 more inches of rain annually. It remains significantly warmer and drier than the high-elevation counties to its east.
Predictable summers and snowy winters
Summer highs peak in July at 72.9°F with only 13 days reaching above 90°F annually. Residents see 25.1 inches of snow each winter as temperatures drop to a January average of 30.8°F.
Prepare for humidity and moderate snowfall
Homeowners should prioritize dehumidification systems to manage the 48.5 inches of annual rainfall. Standard snow tires and a reliable shovel handle the 25 inches of winter accumulation effectively.
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.