St Louis - Highest Temperature for Each Year

Here's where you'll find answers to questions about the highest temperatures and hottest days in St Louis, Missouri. How hot did it get in 2019? When was the last time thermometers in St Louis rose above 105 °F? What was the highest temperature in St Louis a century ago? Answers to those questions and much more can be found quickly and easily in the list below of record high temperatures.

This page gives the highest temperature for each year in St Louis and the date that it happened. A date with a plus sign means it was that hot on at least one other day earlier that year.

These records go back to 1893. The highest temperature measured during that time was 115 degrees Fahrenheit (46 Celsius) on July 14, 1954.

Since 1946 the temperature extremes were observed at St. Louis Lambert International Airport. Before then, the weather station was at downtown St. Louis.

Highest St Louis temperatures in recent years
Max °F Date Max °C
104 August 25, 2023   40
105 July 23, 2022   41
101 June 18, 2021   38
97 August 24, 2020 + 36
97 August 19, 2019 + 36
100 July 14, 2018 38
108 July 22, 2017 42
101 July 24, 2016 38
100 July 28, 2015 38
100 August 25, 2014 38
103 August 31, 2013 39
108 July 25, 2012 + 42
104 September 01, 2011 40
102 August 03, 2010 39
Highest temperature recorded at St Louis each year
Max °F Date Max °C
98 August 09, 2009 + 37
99 July 20, 2008 37
105 August 15, 2007 41
101 August 02, 2006 + 38
103 July 24, 2005 39
97 July 21, 2004 + 36
104 August 21, 2003 40
101 August 01, 2002 38
100 August 22, 2001 38
102 August 17, 2000 39
103 July 30, 1999 + 39
98 August 24, 1998 + 37
99 July 26, 1997 37
96 August 05, 1996 + 36
101 August 18, 1995 + 38
97 August 13, 1994 + 36
97 August 19, 1993 + 36
97 July 02, 1992 36
102 August 03, 1991 + 39
102 July 04, 1990 39
98 July 10, 1989 37
103 August 17, 1988 + 39
103 August 02, 1987 39
102 July 19, 1986 39
97 July 14, 1985 + 36
107 August 29, 1984 42
103 August 21, 1983 + 39
98 August 05, 1982 + 37
96 July 13, 1981 36
107 July 15, 1980 42
98 July 14, 1979 37
99 August 24, 1978 37
98 July 07, 1977 + 37
99 July 23, 1976 + 37
101 August 12, 1975 38
99 July 19, 1974 + 37
95 August 25, 1973 + 35
100 July 01, 1972 38
100 September 14, 1971 38
103 July 31, 1970 39
97 July 16, 1969 36
98 August 23, 1968 37
95 July 23, 1967 35
106 July 13, 1966 + 41
100 July 24, 1965 38
104 August 03, 1964 40
102 August 03, 1963 39
105 August 19, 1962 41
93 September 10, 1961 + 34
99 September 07, 1960 37
98 August 03, 1959 + 37
95 August 30, 1958 + 35
98 August 15, 1957 + 37
100 August 18, 1956 38
100 July 29, 1955 + 38
115 July 14, 1954 46
104 July 30, 1953 40
105 June 29, 1952 41
98 August 31, 1951 + 37
96 June 26, 1950 + 36
100 July 01, 1949 38
100 August 23, 1948 38
104 August 06, 1947 40
101 July 18, 1946 + 38
98 July 23, 1945 37
99 June 17, 1944 37
101 August 25, 1943 + 38
98 August 02, 1942 + 37
101 July 28, 1941 38
102 July 29, 1940 39
100 September 08, 1939 + 38
101 July 11, 1938 38
98 June 25, 1937 + 37
109 July 14, 1936 43
100 July 30, 1935 38
110 July 24, 1934 43
103 July 02, 1933 39
101 July 15, 1932 38
104 July 01, 1931 40
108 July 28, 1930 42
99 August 02, 1929 37
95 July 21, 1928 + 35
98 September 16, 1927 + 37
100 August 11, 1926 + 38
103 September 05, 1925 39
95 August 30, 1924 + 35
98 August 11, 1923 37
100 August 24, 1922 38
98 July 13, 1921 37
99 July 23, 1920 37
102 August 06, 1919 39
105 August 04, 1918 41
96 July 31, 1917 + 36
99 July 31, 1916 + 37
94 July 15, 1915 34
102 July 11, 1914 39
102 July 18, 1913 39
96 July 24, 1912 36
101 July 04, 1911 38
94 July 27, 1910 + 34
98 August 13, 1909 37
98 August 16, 1908 37
98 August 11, 1907 37
93 August 02, 1906 + 34
96 June 17, 1905 36
93 July 16, 1904 34
98 July 09, 1903 37
98 June 11, 1902 37
107 July 24, 1901 + 42
99 August 21, 1900 + 37
102 September 06, 1899 + 39
96 July 24, 1898 36
101 August 26, 1897 38
100 August 08, 1896 + 38
96 July 16, 1895 + 36
100 August 14, 1894 + 38
99 September 14, 1893 37
Reference

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

St Louis - Extremes
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