Clarke County Climate
Clarke County, Virginia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.7°F
Annual Precip
46.4"
Annual Snowfall
—
Extreme Heat Days
5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,269
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Clarke County
Climate Verdict
Clarke County has a mild, with an average annual temperature of 52.7°F, moderately wet with 46.4 inches of annual precipitation, rare extreme heat with only 5 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 31.0°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 Clarke County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Clarke County is 3.5°F cooler than the Virginia statewide average of 56.2°F, the county experiences 22.780464480874294 fewer extreme heat days than the state average.
Climate Profile
About Clarke County Weather
Cooler than the national median
Clarke County's average annual temperature of 52.7°F makes it cooler than most U.S. counties. This northern Virginia location benefits from milder summers and more pronounced winters.
Colder than the Virginia average
Clarke is over 3 degrees cooler than the state average of 55.9°F. However, it receives slightly more precipitation, with 46.4 inches compared to the state's 45.7 inches.
The cool corner of the region
At 52.7°F, Clarke is notably cooler than Culpeper County to the south. It also receives significantly more rainfall than Covington City, making it both cooler and wetter than many neighbors.
Mild summers with very little heat
The county enjoys remarkably mild summers with only 5 days reaching 90°F. Winters are much colder than the state average, with January temperatures dipping to 31.0°F.
Focus on heating and insulation
Prioritize home heating and insulation as winter averages stay below freezing. Cooling costs are typically low here, given the rare occurrence of extreme heat days.
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.