Hanover County Climate
Hanover County, Virginia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.8°F
Annual Precip
45.6"
Annual Snowfall
14.7"
Extreme Heat Days
34
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,248
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Hanover County
Climate Verdict
Hanover County has a mild, with an average annual temperature of 57.8°F, moderately wet with 45.6 inches of annual precipitation, occasional hot days — 33.849999999999994 per year above 90°F, light snow averaging 14.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 37.3°F. summers are warm — July averages 77.8°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
Hanover County closely matches the Virginia statewide average temperature of 56.2°F.
Climate Profile
About Hanover County Weather
Hanover Stays Warmer Than the National Median
Hanover’s average annual temperature of 57.8°F sits several degrees above the national median. This temperate climate is typical of the humid Mid-Atlantic region.
Temperatures Edge Above the Virginia State Average
The county is 1.9 degrees warmer than the Virginia average of 55.9°F. It matches the state precipitation average closely, receiving 45.6 inches annually.
Hanover is Cooler Than Its Southern Neighbors
Hanover is slightly cooler than neighboring Henrico County, which averages 58.3°F. It remains significantly warmer than mountainous counties in western Virginia.
Hot Summers and Manageable Winter Snow
Residents face 34 extreme heat days each year with a July average of 77.8°F. Winter brings a modest 14.7 inches of snow and a January average of 37.3°F.
Prioritize Cooling Systems and Occasional Snow Gear
Homeowners should maintain efficient HVAC systems to handle the month-long stretch of 90-degree days. Keep a snow shovel ready for the 14.7 inches of annual snowfall.
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.