Union County Climate

Union County, Georgia

JanFebMarAprMayJunJulAugSepOctNovDec55.9°AVG °F

Avg Annual Temp

55.9°F

Annual Precip

60.3"

Annual Snowfall

3.1"

Extreme Heat Days

7.6

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
5.8"
4.8"
5.6"
5.2"
4.5"
5.6"
4.9"
5.3"
4.4"
4.2"
4.7"
5.5"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring47°63°15.2"Summer70°74°15.7"Fall47°67°13.3"Winter37°41°16.1"20°40°60°80°100°

National Comparison

Warmer than 55% of US counties
Wetter than 90% of US counties
More seasonal variation than 17% of US counties

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

What is the average temperature in Union County?
The average annual temperature in Union County, GA is 55.9°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Union County get?
Union County receives an average of 60.3 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Union County?
Yes, Union County receives an average of 3.1 inches of snowfall per year according to NOAA climate normals.
How hot does Union County get in summer?
The average summer temperature (June-August) in Union County is 72.1°F. The county experiences an average of 7.6 days per year above 90°F.
How cold are winters in Union County?
The average winter temperature (December-February) in Union County is 39.5°F. January, typically the coldest month, averages 37.4°F.

Track your own weather in Union 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.

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