Louisa County Climate
Louisa County, Virginia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.8°F
Annual Precip
44.2"
Annual Snowfall
15.8"
Extreme Heat Days
33
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,815
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Louisa County
Climate Verdict
Louisa County has a mild, with an average annual temperature of 55.8°F, moderately wet with 44.2 inches of annual precipitation, occasional hot days — 32.9 per year above 90°F, light snow averaging 15.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.3°F. summers are warm — July averages 76.0°F. The 41°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Louisa County closely matches the Virginia statewide average temperature of 56.2°F.
Climate Profile
About Louisa County Weather
A Central Virginia Climate Standard
Louisa County averages 55.8°F, placing it well above the national median temperature. This climate provides long, warm growing seasons and manageable winters typical of the Piedmont region.
Matching the Virginia State Average
Louisa's annual average of 55.8°F is nearly identical to the Virginia statewide average of 55.9°F. This makes the county a perfect representative of the Commonwealth's overall weather patterns.
Warmer Than Northern Regional Neighbors
Louisa is notably warmer than Loudoun County, which averages just 54.8°F. The county also sees more winter precipitation, recording 15.8 inches of snow compared to more moderate totals in nearby cities.
Hot Summers with Surprising Snow
Residents navigate 33 days of extreme heat annually, primarily during the 76.0°F July peak. Despite the heat, winter brings a significant 15.8 inches of annual snowfall and a January average of 35.3°F.
Equip for Both Extremes
The high annual snowfall of 15.8 inches requires reliable winter gear and insulation. Meanwhile, the 33 days of extreme heat demand high-efficiency cooling to maintain indoor comfort during July and August.
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.