Earliest and Latest Days of 100° F in Chattanooga

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Chattanooga, Tennessee history. It is based on NOAA data from the years 1879–2024.

Also see:

Earliest 100 degree day in Chattanooga?

The earliest in the year that Chattanooga, Tennessee had a high temperature of at least 100 °F is June 8 which happened in 1933.

Latest 100 degree day in Chattanooga?

The latest in the year that Chattanooga, Tennessee had a high temperature of at least 100 °F is October 3 which happened in 2019.

Earliest Days ≥ 100 °F

Date	Year	Temperature
June 8	1933	100 °F
June 12	1902	100 °F
June 18	1944	100 °F
June 18	1936	100 °F
June 21	1953	100 °F
June 22	1988	100 °F
June 23	1988	100 °F
June 24	1988	101 °F
June 24	1952	100 °F
June 25	1952	102 °F
June 26	1988	101 °F
June 26	1952	100 °F
June 26	1934	100 °F
June 27	1954	102 °F
June 27	1952	102 °F
June 27	1931	100 °F
June 28	2012	103 °F
June 28	1952	104 °F
June 28	1936	101 °F
June 28	1931	101 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
October 3	2019	100 °F
October 2	2019	100 °F
September 19	1925	100 °F
September 17	2019	100 °F
September 13	2019	103 °F
September 9	1925	102 °F
September 8	1925	100 °F
September 7	1954	100 °F
September 7	1925	104 °F
September 6	1999	100 °F
September 6	1954	101 °F
September 6	1925	103 °F
September 5	1999	101 °F
September 5	1954	102 °F
September 5	1925	104 °F
September 4	1954	102 °F
September 4	1925	102 °F
September 3	1954	100 °F
September 2	2011	100 °F
September 1	1957	100 °F
September 1	1951	100 °F