Union County Climate
Union County, Georgia
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.9°F
Annual Precip
60.3"
Annual Snowfall
3.1"
Extreme Heat Days
8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
3,577
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Union County
Climate Verdict
Union County has a mild, with an average annual temperature of 55.9°F, very wet conditions receiving 60.3 inches of precipitation annually, rare extreme heat with only 7.6 days above 90°F annually, light snow averaging 3.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 37.4°F. summers are warm — July averages 73.5°F. The 36°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
Union County is 7.8°F cooler than the Georgia statewide average of 63.7°F, it is also noticeably wetter, receiving 9.0 inches more precipitation than the state average, the county experiences 57.37994579945801 fewer extreme heat days than the state average.
Climate Profile
About Union County Weather
Georgia's cool and rainy mountain refuge
Union County offers a cool annual temperature of 55.9°F, much closer to the national median than most of Georgia. It is also exceptionally wet, receiving 60.3 inches of rain annually.
Significantly cooler than the Georgia average
This is one of Georgia's coolest counties, sitting nearly 8 degrees below the state average of 63.7°F. It receives significantly more rain and snow than the typical Georgia county.
Snowier and wetter than western neighbors
Union is much cooler and snowier than Walker County to the west. While Walker gets 0.9 inches of snow, Union averages 3.1 inches due to its higher mountain elevation.
Mild summers and cold, snowy winters
The county experiences just 8 extreme heat days per year, a stark contrast to the state average. Winters are the coldest in the region, with a January average of 37.4°F.
Gear up for mountains and moisture
Residents need a versatile wardrobe including heavy coats for the 3.1 inches of snow and 39.5°F winters. Waterproof gear is essential for the 60.3 inches of annual rainfall.
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.