Madison County Climate
Madison County, Virginia
Avg Annual Temp
47.5°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
0.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Precipitation data coming soon
Seasonal Overview
National Comparison
Data pending
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 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.