Average Temperature in St. Louis by Year

This page contains a list of the average yearly high and low temperatures in St. Louis, Missouri for each year between 1893 and 2023. It is based on NOAA data.

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What Was the Hottest Year Ever in St. Louis?

2012 was the warmest year in the history of St. Louis, Missouri. The average daily high temperature was 71.5 °F, and the average low was 51.1 °F.

What Was the Coldest Year Ever in St. Louis?

1978 was the coolest year in the history of St. Louis, Missouri. The average daily high temperature was 63.1 °F, and the average low was 43.6 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	2	70.4	50.7
2022	31	67.9	48.0
2021	9	68.5	49.9
2020	21	67.6	49.0
2019	52	66.4	48.2
2018	43	66.8	48.2
2017	4	70.1	50.4
2016	3	69.7	51.3
2015	12	68.2	49.7
2014	86	65.3	46.6
2013	69	65.8	47.2
2012	1	71.5	51.1
2011	13	68.0	49.6
2010	25	67.4	48.8
2009	66	65.5	47.7
2008	98	64.8	46.2
2007	19	67.9	49.1
2006	16	68.3	48.9
2005	27	67.2	48.8
2004	37	66.5	48.8
2003	65	65.7	47.5
2002	32	67.1	48.7
2001	34	67.1	48.5
2000	76	65.5	47.0
1999	28	67.8	48.2
1998	14	67.3	50.2
1997	104	64.0	46.3
1996	107	64.2	45.8
1995	56	65.9	48.4
1994	35	66.7	48.9
1993	93	63.7	47.7
1992	53	66.0	48.5
1991	8	68.3	50.3
1990	11	68.5	49.6
1989	89	65.1	46.5
1988	57	67.3	46.9
1987	23	67.5	49.0
1986	36	67.1	48.3
1985	103	64.4	46.3
1984	70	65.4	47.5
1983	85	64.8	47.2
1982	108	64.1	45.8
1981	79	65.3	47.0
1980	68	66.1	47.0
1979	124	63.9	44.7
1978	131	63.1	43.6
1977	99	65.4	45.6
1976	129	65.6	42.6
1975	102	65.3	45.5
1974	110	65.2	44.7
1973	84	65.8	46.2
1972	114	65.1	44.3
1971	75	67.1	45.4
1970	105	65.4	44.9
1969	113	64.7	44.7
1968	117	64.6	44.7
1967	112	64.5	45.0
1966	126	64.5	44.0
1965	80	66.6	45.7
1964	81	66.5	45.6
1963	123	65.3	43.5
1962	116	64.5	44.8
1961	130	64.0	43.8
1960	111	63.5	46.0
1959	71	65.6	47.2
1958	125	63.1	45.4
1957	72	65.5	47.3
1956	55	67.3	47.0
1955	49	67.7	46.9
1954	18	69.0	48.2
1953	17	69.3	47.8
1952	50	67.9	46.7
1951	122	64.0	45.0
1950	120	64.1	45.0
1949	61	66.4	47.2
1948	90	65.7	45.9
1947	88	65.4	46.3
1946	24	68.3	48.2
1945	115	63.9	45.4
1944	77	65.8	46.6
1943	109	65.1	44.8
1942	91	65.3	46.2
1941	48	67.3	47.4
1940	127	64.5	43.8
1939	46	67.6	47.1
1938	7	68.5	50.8
1937	94	64.0	47.3
1936	41	66.8	48.3
1935	74	64.5	48.0
1934	15	67.9	49.4
1933	10	68.3	49.9
1932	45	66.3	48.6
1931	6	68.4	51.6
1930	30	66.8	49.1
1929	101	63.9	46.9
1928	67	65.1	48.1
1927	58	65.3	48.7
1926	87	64.3	47.5
1925	51	65.9	48.7
1924	119	63.1	46.1
1923	60	65.1	48.6
1922	22	67.0	49.6
1921	5	68.7	51.6
1920	78	64.4	48.0
1919	47	65.9	48.7
1918	59	65.3	48.7
1917	128	63.0	45.3
1916	64	65.7	47.8
1915	73	64.3	48.3
1914	40	66.2	49.0
1913	29	66.5	49.5
1912	121	62.7	46.2
1911	38	66.1	49.1
1910	95	64.1	47.2
1909	83	64.6	47.5
1908	44	66.0	48.9
1907	100	63.6	47.2
1906	92	63.8	47.6
1905	106	63.4	46.7
1904	118	63.0	46.1
1903	82	64.3	47.8
1902	62	64.7	49.0
1901	39	66.3	48.9
1900	20	66.7	50.2
1899	63	65.2	48.4
1898	54	65.3	49.0
1897	42	66.0	49.0
1896	26	66.7	49.5
1895	97	64.6	46.6
1894	33	67.1	48.7
1893	96	64.9	46.3

Weather Station Details

Years	Station	Coordinates
1939–2024	St. Louis International Airport	location
1893–1938	St. Louis	location