St Louis, MO: records

4 October 2026: The hottest day on record in St Louis, MO: 115°F on Wednesday 14 July 1954.

The record begins: 1874

All-time records

Hottest day: 115°F; 14 July 1954
Coldest night: -22°F; 5 January 1884
Wettest day: 8.64 in; 26 July 2022
Warmest night: 86°F; 25 July 2012, 24 July 1901
Coldest day: -5°F; 24 December 1983

Daily records by decade

New daily records set in St Louis, MO by decade since the 1900s: the most record highs, 144, came in the 1930s; the most record lows, 88, in the 1930s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1870s	0	0	6
1880s	0	0	10
1890s	0	0	10
1900s	36	60	10
1910s	82	56	10
1920s	62	52	10
1930s	144	88	10
1940s	61	63	10
1950s	66	46	10
1960s	26	70	10
1970s	28	64	10
1980s	31	27	10
1990s	20	8	10
2000s	17	4	10
2010s	49	3	10
2020s	29	1	7

Records by month

Month	Highest	Lowest	Wettest day
January	77°F 24 January 1950	-22°F 5 January 1884	4.16 in 3 January 1950
February	86°F 27 February 2024	-18°F 13 February 1905	3.96 in 19 February 1882
March	93°F 26 March 2026	-5°F 5 March 1960	3.59 in 24 March 1913
April	93°F 18 April 2002, 26 April 1989, 10 April 1930	20°F 3 April 1936	4.79 in 11 April 1979
May	98°F 26 May 1953, 31 May 1934	31°F 3 May 1976, 10 May 1966	5.59 in 16 May 1995
June	108°F 28 June 2012	43°F 3 June 1969	4.70 in 28 June 1902
July	115°F 14 July 1954	51°F 6 July 1972, 14 July 1967, 27 July 1962	8.64 in 26 July 2022
August	110°F 9 August 1934	47°F 29 August 1986, 29 August 1965	6.85 in 20 August 1915
September	104°F 1 September 2011, 1 September 1984, 4 September 1954	32°F 28 September 1942	4.70 in 1 September 1931
October	94°F 1 October 2019, 3 October 2006, 11 October 1963 and 1 more	21°F 30 October 1925	2.91 in 31 October 1946
November	86°F 1 November 1937	1°F 30 November 1964	3.89 in 5 November 2024
December	78°F 28 December 2025	-16°F 22 December 1989	4.87 in 26 December 2015

Streaks, months and years

Longest heat streak	28 days	2 July to 29 July 1936	A high of 90°F or above
Longest cold streak	30 days	25 January to 23 February 1978	A high of 32°F or below
Wettest month	14.78 in	August 1946
Driest month	a trace	September 1979	and 1 more
Wettest year	61.24 in	2015
Driest year	20.59 in	1953

Every record in words

The coldest night on record in St Louis, MO: a low of -22°F on Saturday 5 January 1884.
The wettest day on record in St Louis, MO: 8.64 in on Tuesday 26 July 2022.
The warmest night on record in St Louis, MO: a low of 86°F on Wednesday 25 July 2012 and Wednesday 24 July 1901.
The coldest day on record in St Louis, MO: a high of -5°F on Saturday 24 December 1983.
The longest run of days with a high of 90°F or above in St Louis, MO: 28 days, from Thursday 2 July to Wednesday 29 July 1936.
The longest run of days with a high of 32°F or below in St Louis, MO: 30 days, from Wednesday 25 January to Thursday 23 February 1978.
The wettest month on record in St Louis, MO: August 1946, with 14.78 in of precipitation.
The driest month on record in St Louis, MO: September 1979, with a trace of precipitation (shared with 1 other month).
The wettest year on record in St Louis, MO: 2015, with 61.24 in of precipitation.
The driest year on record in St Louis, MO: 1953, with 20.59 in of precipitation.

St Louis, MO the day's answers