Henry County Climate
Henry County, Georgia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
62.0°F
Annual Precip
51.1"
Annual Snowfall
—
Extreme Heat Days
74
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,155
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Henry County
Climate Verdict
Henry County has a warm, averaging 62.0°F year-round, moderately wet with 51.1 inches of annual precipitation, significant summer heat with 74.3 days annually above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 43.4°F. summers are hot, with July averaging 80.4°F. The 37°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
Henry County closely matches the Georgia statewide average temperature of 63.7°F.
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 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.