Madison County Climate
Madison County, Virginia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
47.5°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
0
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
2,121
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Madison County
Climate Verdict
Madison County has a cool, averaging 47.5°F annually, rare extreme heat with only 0.4 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 27.3°F. summers are pleasantly cool with July averaging 67.1°F. The 40°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Madison County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Madison County is 8.7°F cooler than the Virginia statewide average of 56.2°F, the county experiences 27.380464480874295 fewer extreme heat days than the state average.
Climate Profile
About Madison County Weather
Distinctly Cool Mountain Climate
Madison County is an outlier with an annual average of just 47.5°F, significantly colder than the national median. This cooler profile is driven by its high-elevation terrain near the Blue Ridge Mountains.
One of Virginia's Coldest Counties
The county's 47.5°F average is more than eight degrees lower than the Virginia state average of 55.9°F. It represents a much cooler climate than the rest of the Commonwealth.
A Sharp Contrast to Manassas
Madison is dramatically cooler than nearby Manassas city, which averages 55.5°F. While local precipitation data is limited, the temperature difference creates a completely different ecosystem from its eastern neighbors.
Winters Below Freezing, No Extreme Heat
Winter temperatures average a frigid 29.5°F, with January dipping to 27.3°F. Remarkably, the county records zero days of extreme heat above 90°F, with a mild July peak of only 67.1°F.
Prioritize Heating Over Cooling
High-capacity heating systems and heavy winter insulation are mandatory for the sub-freezing winter averages. Since the mercury never hits 90°F, residents can often bypass central air conditioning in favor of mountain breezes.
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.