Earliest and Latest Days of 100° F in Union City

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Union City, Tennessee history. It is based on NOAA data from the years 1891–2024.

Also see:

Earliest 100 degree day in Union City?

The earliest in the year that Union City, Tennessee had a high temperature of at least 100 °F is May 28 which happened in 1911.

Latest 100 degree day in Union City?

The latest in the year that Union City, Tennessee had a high temperature of at least 100 °F is September 20 which happened in 1941.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 28	1911	100 °F
May 29	1911	100 °F
May 31	1913	100 °F
June 1	1937	100 °F
June 3	1911	103 °F
June 4	1911	100 °F
June 5	1925	100 °F
June 8	1933	101 °F
June 9	1914	100 °F
June 9	1911	104 °F
June 10	1936	101 °F
June 10	1914	103 °F
June 11	1925	100 °F
June 11	1914	104 °F
June 13	1914	102 °F
June 14	1922	101 °F
June 14	1914	103 °F
June 15	1922	101 °F
June 15	1897	100 °F
June 16	1952	101 °F
June 16	1918	100 °F
June 16	1911	100 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 20	1941	100 °F
September 19	1931	102 °F
September 16	1956	102 °F
September 16	1927	100 °F
September 15	1956	101 °F
September 15	1939	103 °F
September 14	1939	101 °F
September 14	1927	100 °F
September 10	1939	102 °F
September 10	1938	101 °F
September 9	1947	102 °F
September 9	1939	102 °F
September 9	1938	100 °F
September 9	1925	102 °F
September 8	1947	102 °F
September 8	1939	100 °F
September 8	1925	107 °F
September 7	1954	102 °F
September 7	1925	106 °F
September 7	1922	101 °F