Decatur County Climate
Decatur County, Georgia
Avg Annual Temp
67.2°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
98.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Precipitation data coming soon
Seasonal Overview
National Comparison
Data pending
Climate Profile
About Decatur County Weather
A Subtropical South Georgia Climate
Decatur County maintains an annual average temperature of 67.2°F, placing it well above the national median. This humid subtropical climate reflects its position in the deep South near the Florida border.
Exceeding the Georgia Temperature Average
The county is significantly warmer than the Georgia state average of 63.7°F. Its consistent heat makes it one of the more thermally intense regions in the state.
Warmer Than Southern Neighbors
Decatur stays slightly warmer than nearby Dougherty County, which averages 66.8°F. While neighbors share the same humid air, Decatur consistently edges them out in annual warmth.
Nearly 100 Days of Extreme Heat
Summer dominates the year with 99 days reaching 90°F or higher and a July average of 81.8°F. Winters are exceptionally mild, averaging 52.4°F with no recorded snowfall.
Prioritize High-Efficiency Cooling
Residents should invest in robust HVAC systems to handle over three months of extreme heat. Light, breathable clothing is essential for the long, humid 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.