Cobb County Climate
Cobb County, Georgia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
60.1°F
Annual Precip
55.1"
Annual Snowfall
0.8"
Extreme Heat Days
10
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
4,519
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cobb County
Climate Verdict
Cobb County has a warm, averaging 60.1°F year-round, very wet conditions receiving 55.1 inches of precipitation annually, rare extreme heat with only 10.2 days above 90°F annually, light snow averaging 0.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 42.5°F. summers are warm — July averages 76.1°F. The 34°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
Cobb County is 3.6°F cooler than the Georgia statewide average of 63.7°F, it is somewhat wetter than average for Georgia, the county experiences 54.779945799458005 fewer extreme heat days than the state average.
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
What is the average temperature in Cobb County?
How much rain does Cobb County get?
Does it snow in Cobb County?
How hot does Cobb County get in summer?
How cold are winters in Cobb County?
Track your own weather in Cobb County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.