Marion County Climate
Marion County, West Virginia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.3°F
Annual Precip
49.6"
Annual Snowfall
—
Extreme Heat Days
13
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
3,208
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Marion County
Climate Verdict
Marion County has a mild, with an average annual temperature of 52.3°F, moderately wet with 49.6 inches of annual precipitation, rare extreme heat with only 12.65 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 30.1°F. summers are warm — July averages 72.8°F. The 43°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Marion County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Marion County closely matches the West Virginia statewide average temperature of 52.8°F, it is somewhat wetter than average for West Virginia.
Climate Profile
About Marion County Weather
Classic Humid Continental Weather Patterns
Marion County averages 52.3°F annually, sitting just below the national median for U.S. counties. With 49.6 inches of precipitation, it is significantly wetter than the average American county.
A Representative West Virginia Climate
The county's 52.3°F average temperature tracks almost perfectly with the state average of 52.8°F. It receives 2.6 inches more precipitation than the statewide average of 47.0 inches.
Mild Summers Compared to Southern Neighbors
Marion experiences only 13 days of extreme heat, making it much more temperate than Logan or Lincoln. Its July average of 72.8°F offers a cooler summer experience than the southern coalfields.
Moderate Summers and Cold January Nights
July is pleasant with a 72.8°F average, while January temperatures drop to a chilly 30.1°F. While specific snowfall data is unavailable, the 32.5°F winter average indicates consistent freezing conditions.
Focus on Insulation and Dehumidification
Strong home insulation is required to manage the sub-freezing January average of 30.1°F. High-capacity dehumidifiers help manage the internal environment during the county's nearly 50 inches of annual precipitation.
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.