Average Temperature in Charleston by Year

This page contains a list of the average yearly high and low temperatures in Charleston, Illinois for each year between 1897 and 2023. It is based on NOAA data.

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What Was the Hottest Year Ever in Charleston?

2012 was the warmest year in the history of Charleston, Illinois. The average daily high temperature was 69.3 °F, and the average low was 47.3 °F.

What Was the Coldest Year Ever in Charleston?

1917 was the coolest year in the history of Charleston, Illinois. The average daily high temperature was 62.6 °F, and the average low was 39.0 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	2	68.7	46.2
2022	40	65.5	43.7
2021	22	65.5	45.1
2020	23	65.9	44.7
2019	28	65.8	44.5
2016	5	67.2	46.9
2015	25	65.5	44.9
2014	90	63.5	42.5
2012	1	69.3	47.3
2011	8	65.7	46.4
2010	26	65.2	45.1
2009	60	63.4	44.1
2007	13	65.9	45.5
2006	15	65.6	45.7
2005	33	65.3	44.7
2004	45	64.0	44.6
2003	74	63.6	43.2
2002	34	65.1	44.9
2001	38	65.2	44.6
2000	70	63.6	43.6
1999	27	65.7	44.6
1998	6	66.2	47.4
1997	100	62.2	43.2
1996	108	62.2	42.2
1995	56	64.0	43.7
1994	55	64.0	43.7
1993	89	62.1	43.9
1992	49	63.7	44.4
1991	19	64.7	46.1
1990	35	64.6	45.4
1989	104	62.1	42.7
1988	53	65.3	42.6
1987	16	65.6	45.7
1986	32	64.5	45.5
1985	96	62.2	43.4
1984	63	63.2	44.2
1983	68	62.9	44.3
1982	101	62.3	42.8
1981	86	62.6	43.7
1980	88	62.8	43.2
1979	110	61.8	41.3
1978	111	61.4	41.5
1977	82	63.1	43.3
1976	107	63.5	41.0
1975	51	63.8	44.2
1974	54	63.4	44.4
1973	12	64.0	47.4
1972	91	61.7	44.2
1971	52	63.3	44.6
1970	72	62.7	44.2
1969	94	62.1	43.7
1968	67	62.7	44.5
1967	78	62.9	43.8
1966	76	63.2	43.6
1965	37	64.7	45.0
1964	21	65.9	44.8
1963	79	64.1	42.6
1962	66	63.7	43.6
1961	69	63.5	43.7
1960	106	62.0	42.5
1959	73	64.3	42.5
1958	114	62.2	40.2
1957	85	63.8	42.5
1956	61	65.4	42.0
1955	80	64.4	42.2
1954	31	66.0	44.1
1953	9	67.3	44.6
1949	18	66.3	44.9
1948	48	64.8	43.4
1947	84	63.2	43.1
1946	11	66.7	44.7
1943	58	64.7	42.9
1942	42	64.4	44.4
1941	17	65.9	45.4
1940	95	63.2	42.6
1939	20	66.2	44.5
1938	10	66.5	45.2
1937	103	62.7	42.1
1936	46	65.7	42.9
1935	59	63.7	43.8
1934	14	67.5	43.9
1933	7	68.8	44.6
1932	29	67.1	43.1
1931	4	68.3	46.2
1930	30	66.7	43.5
1929	93	64.1	41.8
1928	62	65.1	42.3
1927	43	65.6	43.2
1926	97	63.4	42.3
1925	47	66.1	42.4
1924	112	62.6	40.2
1923	50	64.8	43.3
1922	24	66.9	43.6
1921	3	68.0	46.6
1920	92	63.9	42.0
1919	39	66.1	43.3
1918	87	64.8	41.5
1917	115	62.6	39.0
1916	64	65.8	41.5
1915	98	63.0	42.6
1914	44	65.8	42.9
1912	113	61.5	41.1
1911	36	65.3	44.6
1910	102	63.0	42.1
1909	83	63.5	42.9
1908	41	65.3	43.7
1907	105	62.2	42.6
1906	75	63.4	43.4
1905	77	62.8	43.9
1904	109	61.1	42.2
1903	99	62.0	43.6
1902	65	62.5	44.8
1899	71	62.5	44.4
1898	57	62.1	45.5
1897	81	62.3	44.3

Weather Station Details

Years	Station	Coordinates
1896–2024	Charleston	location