Earliest and Latest Days of 100° F in Oklahoma City

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Oklahoma City, Oklahoma history. It is based on NOAA data from the years 1894–2024.

Also see:

Earliest 100 degree day in Oklahoma City?

The earliest in the year that Oklahoma City, Oklahoma had a high temperature of at least 100 °F is April 12 which happened in 1972.

Latest 100 degree day in Oklahoma City?

The latest in the year that Oklahoma City, Oklahoma had a high temperature of at least 100 °F is October 4 which happened in 1898.

Earliest Days ≥ 100 °F

Date	Year	Temperature
April 12	1972	100 °F
May 9	1895	100 °F
May 23	2000	100 °F
May 24	1896	100 °F
May 30	2003	102 °F
May 30	1985	104 °F
May 30	1896	100 °F
June 1	1913	101 °F
June 2	1998	105 °F
June 4	1896	100 °F
June 5	1948	100 °F
June 5	1895	100 °F
June 6	1911	104 °F
June 7	1911	102 °F
June 7	1896	103 °F
June 8	1988	100 °F
June 8	1911	101 °F
June 8	1896	107 °F
June 9	1911	102 °F
June 10	2006	102 °F
June 10	1911	101 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
October 4	1898	100 °F
October 3	1898	100 °F
September 30	1977	100 °F
September 28	1953	103 °F
September 20	1954	100 °F
September 18	1896	100 °F
September 17	1896	104 °F
September 16	1978	101 °F
September 16	1956	100 °F
September 16	1943	100 °F
September 16	1898	101 °F
September 16	1896	103 °F
September 16	1895	100 °F
September 15	1965	100 °F
September 15	1956	100 °F
September 15	1895	101 °F
September 14	2000	101 °F
September 14	1965	102 °F
September 14	1918	100 °F
September 14	1896	100 °F
September 14	1895	100 °F