Number of Days of 100 °F in St. Charles by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in St. Charles, Missouri, between 1893 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 1936 holds the record for the most 100 °F days in St. Charles history. There were 49 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in St. Charles so far in 2024. As of April 27, the highest temperature this year is 88 °F.

The last time it reached at least 100° F was August 26, 2023.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 100 °F
2024	78	0
2023	32	4
2022	41	3
2021	78	0
2020	78	0
2019	78	0
2018	78	0
2017	47	2
2016	78	0
2015	78	0
2014	78	0
2013	78	0
2012	23	7
2011	78	0
2010	78	0
2009	78	0
2008	78	0
2007	41	3
2006	78	0
2005	58	1
2004	78	0
2003	58	1
2002	78	0
2001	78	0
2000	58	1
1999	32	4
1998	78	0
1997	58	1
1996	78	0
1995	78	0
1994	78	0
1993	78	0
1992	78	0
1991	78	0
1990	26	6
1989	78	0
1988	19	9
1987	41	3
1986	58	1
1985	78	0
1984	32	4
1983	78	0
1982	78	0
1981	58	1
1980	9	17
1979	58	1
1978	58	1
1977	58	1
1976	78	0
1975	78	0
1974	41	3
1973	78	0
1972	78	0
1971	78	0
1970	58	1
1969	78	0
1968	78	0
1967	78	0
1966	22	8
1965	47	2
1964	41	3
1963	47	2
1962	47	2
1961	78	0
1960	58	1
1959	78	0
1958	78	0
1957	78	0
1956	26	6
1955	47	2
1954	3	31
1953	7	23
1952	12	15
1951	78	0
1950	78	0
1949	58	1
1948	47	2
1947	19	9
1946	78	0
1945	58	1
1944	28	5
1943	28	5
1942	47	2
1941	13	12
1940	23	7
1939	19	9
1938	15	11
1937	32	4
1936	1	49
1935	47	2
1934	2	40
1933	9	17
1932	23	7
1931	9	17
1930	6	25
1929	58	1
1928	78	0
1927	32	4
1926	28	5
1925	17	10
1924	78	0
1923	78	0
1922	32	4
1921	58	1
1920	28	5
1919	32	4
1918	13	12
1917	58	1
1916	17	10
1915	78	0
1914	8	19
1913	5	27
1912	47	2
1911	15	11
1910	78	0
1909	32	4
1908	78	0
1907	58	1
1906	78	0
1905	58	1
1904	78	0
1903	78	0
1902	47	2
1901	4	30
1900	41	3
1899	32	4
1898	78	0
1897	47	2
1896	58	1
1895	78	0
1894	78	0
1893	58	1

Weather Station Details

Years	Station	Coordinates
1893–2024	St. Charles Elm Point	location