Earliest and Latest Days of 100° F in Detroit

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Detroit, Michigan history. It is based on NOAA data from the years 1896–2024.

Also see:

Earliest 100 degree day in Detroit?

The earliest in the year that Detroit, Michigan had a high temperature of at least 100 °F is June 4 which happened in 1925.

Latest 100 degree day in Detroit?

The latest in the year that Detroit, Michigan had a high temperature of at least 100 °F is September 3 which happened in 1953.

Earliest Days ≥ 100 °F

Date	Year	Temperature
June 4	1925	100 °F
June 5	1925	104 °F
June 6	1925	103 °F
June 25	1988	104 °F
June 26	1952	100 °F
June 28	1934	101 °F
July 1	1901	103 °F
July 2	1911	102 °F
July 3	1911	105 °F
July 4	2012	102 °F
July 4	1897	101 °F
July 5	1911	106 °F
July 6	1988	100 °F
July 6	1977	100 °F
July 7	2012	100 °F
July 7	1988	101 °F
July 9	1936	105 °F
July 10	1936	102 °F
July 14	1995	100 °F
July 14	1936	104 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 3	1953	100 °F
September 2	1953	100 °F
August 22	1898	100 °F
August 21	1955	100 °F
August 17	1988	100 °F
July 31	1917	100 °F
July 30	1916	105 °F
July 29	1917	100 °F
July 29	1916	100 °F
July 28	1930	100 °F
July 27	1955	100 °F
July 24	1934	103 °F
July 21	2011	100 °F
July 19	1946	100 °F
July 17	2012	102 °F
July 16	1988	102 °F
July 15	1977	102 °F
July 14	1995	100 °F
July 14	1936	104 °F
July 10	1936	102 °F