With a population of around 10,600, Union City sits in Tennessee, United States. The city operates in the Central Time Zone.
In 2025, Union City recorded an average annual temperature of 60°F. The hottest temperatures reached 95°F in August; the coolest were 6°F in February. Total precipitation for the year was 59 inches, with the wettest month being April. Snowfall for the year totaled approximately 3 inches.
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