Earliest and Latest Days at or Below 32° F in St. Louis

This is a list of the earliest and latest days in a winter season where the low temperature fell to at least 32 °F in St. Louis, Missouri history. It is based on NOAA data from the years 1893–2024.

Earliest freezing temperature in St. Louis?

The earliest in a winter season that St. Louis, Missouri has recorded a low temperature of 32 °F or below is September 28 which happened in 1942.

Latest freezing temperature in St. Louis?

The latest in a winter season that St. Louis, Missouri has recorded a low temperature of 32 °F or below is May 10 which happened in 1966.

Earliest Days ≤ 32 °F

Date	Year	Temperature
September 28	1942	32 °F
October 2	1974	32 °F
October 3	1974	31 °F
October 6	1952	31 °F
October 7	2000	31 °F
October 7	1952	29 °F
October 8	2000	30 °F
October 8	1952	31 °F
October 9	2000	30 °F
October 10	1964	29 °F
October 11	1964	30 °F
October 12	1987	31 °F
October 12	1909	32 °F
October 14	1979	32 °F
October 14	1937	32 °F
October 16	1943	32 °F
October 17	1976	31 °F
October 17	1970	31 °F
October 17	1966	32 °F
October 17	1943	29 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
May 10	1966	31 °F
May 3	1976	31 °F
May 2	1961	32 °F
May 2	1929	32 °F
April 26	1976	30 °F
April 24	1967	30 °F
April 24	1956	32 °F
April 24	1910	25 °F
April 23	1910	28 °F
April 22	2021	32 °F
April 22	1986	32 °F
April 21	2021	30 °F
April 21	1904	32 °F
April 20	1983	30 °F
April 20	1953	31 °F
April 20	1904	28 °F
April 19	1983	26 °F
April 19	1953	30 °F
April 19	1949	32 °F
April 18	2020	31 °F
April 18	1983	30 °F
April 18	1953	29 °F
April 18	1910	31 °F