Union City Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Union City, Tennessee. It is based on NOAA data for the years 1991–2020.

Average temperature by month

What's the Rainiest Month in Union City?

In Union City, May has the greatest precipitation of any month. On average, Union City gets 5.6 inches of precipitation in May.

However, March is the month with the greatest chance of precipitation. 41.0% of days in March will have at least some rain or snow.

What's the Driest Month in Union City?

In Union City, August has the least precipitation of any month. On average, Union City gets 3.24 inches of precipitation in August.

September is the month with the lowest chance of precipitation. 25.3% of days in September will have measurable rain.

Month	Precipitation	% Chance
January	3.97 in	38.9
February	4.65 in	37.7
March	5.27 in	41.0
April	5.21 in	39.8
May	5.56 in	39.2
June	4.45 in	33.0
July	4.10 in	29.0
August	3.24 in	26.6
September	3.67 in	25.3
October	3.86 in	27.0
November	4.42 in	34.6
December	5.16 in	36.6
Year	53.28 in	34.0

Weather Station Details

Years	Station	Coordinates
1891–2024	Union City	location