Monongalia County Climate
Monongalia County, West Virginia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.6°F
Annual Precip
44.3"
Annual Snowfall
14.4"
Extreme Heat Days
16
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
3,291
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Monongalia County
Climate Verdict
Monongalia County has a mild, with an average annual temperature of 52.6°F, moderately wet with 44.3 inches of annual precipitation, rare extreme heat with only 15.5 days above 90°F annually, light snow averaging 14.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 30.6°F. summers are warm — July averages 73.6°F. The 43°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Monongalia County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Monongalia County closely matches the West Virginia statewide average temperature of 52.8°F, it is somewhat drier than average for West Virginia.
Climate Profile
About Monongalia County Weather
Temperate climate in Northern West Virginia
Monongalia County averages 52.6°F annually, which is cooler than the national median of 55°F. This creates a balanced four-season climate typical of the Appalachian plateau.
A statistical match for the state
The county's annual average of 52.6°F is nearly identical to the West Virginia state average of 52.8°F. Precipitation levels are also consistent with the state, coming in at 44.3 inches against the 47.0-inch average.
Consistent with regional patterns
Monongalia shares a nearly identical climate with Ohio County to the west, both averaging 52.6°F. It remains much more temperate than Mingo County, which is 5 degrees warmer on average.
Mild summers and moderate snow
The county enjoys manageable summers with only 16 days reaching above 90°F. Winter brings a steady 14.4 inches of snow and a January average of 30.6°F.
Versatile gear for all seasons
The moderate snowfall and limited extreme heat days make this a great area for outdoor activities most of the year. Residents should keep basic snow tools ready for the 14 inches of annual accumulation.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.