Union City (GA) Weather & Climate: Best Time to Visit

In Union City, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 32°C (90°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 12°C (54°F).

At night, temperatures range from around 21°C (70°F) in July to 0°C (32°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Union City experiences significant rain/snowfall throughout the year, averaging 1205 mm (47 in) of precipitation annually. Union City experiences moderate seasonal variation in rainfall, with monthly averages ranging from 148 mm (5.8 in) in December, the wettest month, and 76 mm (3 in) in September, the driest month. For more details, please visit our Union City Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Union City can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.6 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 5.5 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Union City.

The city experiences its highest humidity in August, reaching 75%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year