Earliest and Latest Days of 100° F in Louisville

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Louisville, Kentucky history. It is based on NOAA data from the years 1893–2024.

Also see:

Earliest 100 degree day in Louisville?

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

Latest 100 degree day in Louisville?

The latest in the year that Louisville, Kentucky had a high temperature of at least 100 °F is September 14 which happened in 1939.

Earliest Days ≥ 100 °F

Date	Year	Temperature
June 8	1933	100 °F
June 17	1936	102 °F
June 17	1922	100 °F
June 19	1933	102 °F
June 19	1931	100 °F
June 20	1953	100 °F
June 20	1936	100 °F
June 20	1933	101 °F
June 21	1933	103 °F
June 22	2022	100 °F
June 23	1933	100 °F
June 24	1914	100 °F
June 25	1988	101 °F
June 25	1914	102 °F
June 26	1954	101 °F
June 27	1944	101 °F
June 27	1936	102 °F
June 27	1934	100 °F
June 27	1914	102 °F
June 28	2012	103 °F
June 28	1952	101 °F
June 28	1944	103 °F
June 28	1936	105 °F
June 28	1934	103 °F
June 28	1933	100 °F
June 28	1931	102 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 14	1939	101 °F
September 13	1939	100 °F
September 9	1939	102 °F
September 9	1925	100 °F
September 8	1939	103 °F
September 7	1939	101 °F
September 6	1954	104 °F
September 6	1925	102 °F
September 5	1954	104 °F
September 4	1954	102 °F
September 3	2011	102 °F
September 3	1925	100 °F
September 2	2011	101 °F
September 2	1953	103 °F
September 1	2011	100 °F
September 1	1953	103 °F
September 1	1943	100 °F
August 31	1953	101 °F
August 31	1932	100 °F
August 28	1953	100 °F
August 28	1936	102 °F