Gwinnett County Climate
Gwinnett County, Georgia
Climate data coming soon
Avg Annual Temp
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Annual Precip
56.3"
Annual Snowfall
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Extreme Heat Days
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Monthly Temperature
Temperature data coming soon
Precipitation Calendar
Seasonal Overview
Seasonal data coming soon
National Comparison
Data pending
Data pending
Climate Profile
About Gwinnett County Weather
A rainy subtropical environment
Gwinnett County records a high annual precipitation of 56.3 inches, well above the national median. While specific temperature averages are unavailable, it follows a typical humid subtropical pattern.
Higher rainfall than state average
The county receives nearly five inches more rain annually than the Georgia average of 51.4 inches. This makes Gwinnett one of the wetter regions in the state.
Standing out through precipitation
Gwinnett's 56.3 inches of rain distinguishes it from drier neighbors like Greene County. It experiences frequent storm activity throughout the year.
A focus on annual rainfall
Seasonal temperature data is limited, but high annual rainfall suggests active weather patterns. Residents experience a landscape shaped by 56.3 inches of water.
Prioritize drainage and gutter maintenance
Heavy rainfall requires robust home drainage systems and consistent gutter cleaning. Monitor local forecasts for heat alerts during the humid summer months.
Frequently Asked Questions
How much rain does Gwinnett County get?
Track your own weather in Gwinnett County
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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.