Henry County Climate
Henry County, Georgia
Avg Annual Temp
62.0°F
Annual Precip
51.1"
Annual Snowfall
—
Extreme Heat Days
74.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Henry County Weather
A classic humid subtropical hub
Henry County averages 62.0°F annually, which is significantly warmer than the national median. The climate is defined by high humidity and consistent rainfall.
Below the Georgia state average
The county is 1.7°F cooler than the Georgia state average of 63.7°F. It sits in a middle ground between the cooler mountains and the hotter southern plains.
Standard rainfall for the area
Annual precipitation is 51.1 inches, almost identical to the state average of 51.4 inches. It shares this consistent moisture profile with its metro-Atlanta neighbors.
Lengthy and intense summer heat
Henry County experiences 74 days of extreme heat reaching 90°F or more. Winters are moderate with a 44.9°F average and no recorded snowfall.
Prioritize cooling and hydration
With over 70 days of extreme heat, air conditioning maintenance is a top priority. Residents should plan for a long, 79.1°F average summer season.
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.