Cobb County Climate
Cobb County, Georgia
Avg Annual Temp
60.1°F
Annual Precip
55.1"
Annual Snowfall
0.8"
Extreme Heat Days
10.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Cobb County Weather
Moderate Temperatures for the Region
Cobb County features an average annual temperature of 60.1°F, which is milder than many of its Southern peers. The county receives a generous 55.1 inches of rain annually, significantly outpacing the national average for precipitation.
Cooler than the State Median
Cobb's 60.1°F average is nearly four degrees cooler than the Georgia state average of 63.7°F. This makes it a refreshing outlier in a state where heat often dominates the headlines.
The Coolest in the Metro Area
Compared to Clayton County's 62.7°F, Cobb offers a noticeably cooler climate for North Georgia residents. It also sees far fewer extreme heat days than neighbors located just a few dozen miles to the south.
Temperate Summers with Light Snow
Summer heat is surprisingly manageable with only 10 days per year reaching 90°F. Winters are crisp at 44.5°F and occasionally bring a dusting of snow, averaging 0.8 inches annually.
Prepare for Rain and Mild Weather
With 55.1 inches of annual rainfall, residents should ensure proper home drainage and reliable rain gear. Since extreme heat is rare, homeowners can focus on moderate climate control rather than heavy-duty industrial cooling.
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.