Hanover County Climate
Hanover County, Virginia
Avg Annual Temp
57.8°F
Annual Precip
45.6"
Annual Snowfall
14.7"
Extreme Heat Days
33.849999999999994
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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.
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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.