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

Average temperatures, rainfall, sunshine and the best time to visit Union City.

Current conditions Union City –  

Climate overview of Union City

The climate in Union City, Georgia, United States of America, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in July to 12°C (54°F) in January.

With around 1205 mm (47 in) of annual rain/snowfall, Union City has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has very warm summers and cold winters. The wettest month is December. May is the sunniest month, averaging 9.6 hours of sunshine per day.

Union City Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Union City - and find the best time to visit.

Monthly Temperature in Union City

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

Rainfall in Union City

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

Sunshine Hours in Union City

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

Data from: Atlanta, the United States of America (22 KM, 14 Miles).

Daily hours of sunshine

Data from: Atlanta, the United States of America (22 KM, 14 Miles).

Humidity in Union City by Month

Best Time to Visit Union City

For comfortable weather, consider visiting Union City in May, September and October. Conditions are usually least favourable in January and February.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: May, September and October
  • Warmest weather: June, July and August
  • Most sunshine: May and June
  • Fewest rainy days: April, September, October and November
  • Seasonal pattern: Very warm summers and cold winters

Frequently asked questions about the climate in Union City

What is the best time to visit Union City?

May, September and October typically offer the most optimal weather in Union City. In contrast, January and February tend to have less optimal conditions. Union City has very warm summers and cold winters.

What temperatures can I expect in Union City?

Daytime highs range from 12°C (54°F) in January to 32°C (90°F) in July. Nighttime lows range from 0°C (32°F) to 21°C (70°F). Temperatures vary considerably through the year.

How much rain does Union City get?

Annual rainfall is around 1205 mm (47 in). December is the wettest month with 148 mm (5.8 in), while September is the driest with 76 mm (3 in).

How sunny is Union City?

Union City receives around 2,733 hours of sunshine per year. May is the sunniest month with 288 hours, while January is the cloudiest with just 164 hours. Overall, Union City enjoys abundant sunshine.

Union City 3-Day Forecast

Union City on the map

Union City is highlighted - select any city to see its climate.

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.