Earliest and Latest Days of 100° F in Jefferson City

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

Also see:

Earliest 100 degree day in Jefferson City?

The earliest in the year that Jefferson City, Missouri had a high temperature of at least 100 °F is May 30 which happened in 1934.

Latest 100 degree day in Jefferson City?

The latest in the year that Jefferson City, Missouri had a high temperature of at least 100 °F is September 29 which happened in 1953.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 30	1934	102 °F
May 31	1934	102 °F
June 1	1934	102 °F
June 2	1934	103 °F
June 6	1934	100 °F
June 9	1914	100 °F
June 9	1911	101 °F
June 10	1914	103 °F
June 10	1911	102 °F
June 11	1918	101 °F
June 13	1987	100 °F
June 15	1952	102 °F
June 16	1952	102 °F
June 16	1936	100 °F
June 16	1918	101 °F
June 16	1913	100 °F
June 16	1911	102 °F
June 16	1901	100 °F
June 17	1936	100 °F
June 17	1918	101 °F
June 17	1913	103 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 29	1953	101 °F
September 28	1953	102 °F
September 19	1954	100 °F
September 18	1925	100 °F
September 17	1953	100 °F
September 16	1956	100 °F
September 16	1954	100 °F
September 16	1939	102 °F
September 15	1939	102 °F
September 14	1971	100 °F
September 14	1939	102 °F
September 14	1893	104 °F
September 13	1956	100 °F
September 13	1939	101 °F
September 12	1956	101 °F
September 12	1939	101 °F
September 11	1936	100 °F
September 10	1938	101 °F
September 9	1980	100 °F
September 9	1955	100 °F
September 9	1939	102 °F
September 9	1925	102 °F