Union City Average Temperature by Month

This page shows the average temperature in each month of the year in Union City, Tennessee. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Union City?
In Union City, Tennessee, the warmest month is July, with an average daily high temperature of 88.5 °F and an average low of 68.7 °F.
What's the Coldest Month in Union City?
In Union City, Tennessee, the coolest month is January, with an average daily high temperature of 44.5 °F and an average low of 27.0 °F.
Month Avg. High Avg. Low
January 44.5 °F 27.0 °F
February 49.2 °F 29.6 °F
March 58.6 °F 37.4 °F
April 69.3 °F 46.5 °F
May 78.1 °F 57.3 °F
June 85.8 °F 65.6 °F
July 88.5 °F 68.7 °F
August 88.1 °F 65.7 °F
September 82.6 °F 58.0 °F
October 71.8 °F 45.9 °F
November 58.4 °F 36.4 °F
December 48.0 °F 30.0 °F
Year 68.8 °F 47.5 °F
Weather Station Details
Years Station Coordinates
1891–2024 Union City location
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