Average Temperature in Belleville by Year

This page contains a list of the average yearly high and low temperatures in Belleville, Illinois for each year between 1949 and 2023. It is based on NOAA data.

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What Was the Hottest Year Ever in Belleville?

2012 was the warmest year in the history of Belleville, Illinois. The average daily high temperature was 73.1 °F, and the average low was 48.3 °F.

What Was the Coldest Year Ever in Belleville?

1979 was the coolest year in the history of Belleville, Illinois. The average daily high temperature was 64.8 °F, and the average low was 41.9 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	32	67.9	45.6
2022	57	66.1	44.0
2021	35	67.3	45.8
2020	23	68.4	45.9
2019	25	67.9	46.3
2018	14	68.9	46.9
2017	2	71.9	48.0
2016	3	70.6	48.6
2015	10	69.2	47.5
2014	53	66.7	44.0
2013	38	67.6	45.5
2012	1	73.1	48.3
2011	7	69.7	48.0
2010	16	68.8	46.5
2009	37	67.3	45.7
2008	43	67.4	45.2
2007	6	70.9	46.9
2006	4	71.0	47.9
2005	8	69.9	47.2
2004	18	68.3	46.6
2003	33	67.9	45.5
2002	17	69.0	46.1
2001	12	69.3	46.7
2000	21	68.4	46.1
1999	9	69.7	47.3
1998	5	69.5	48.8
1997	41	66.3	46.4
1996	40	66.8	46.1
1995	22	67.5	47.0
1994	15	67.8	47.8
1993	47	65.4	46.5
1992	26	68.5	45.7
1991	27	68.4	45.6
1990	19	69.0	45.8
1989	69	65.7	42.1
1988	46	68.7	43.3
1987	29	67.8	46.1
1986	24	67.6	46.7
1985	61	65.2	44.0
1984	50	66.4	44.7
1983	58	65.8	44.1
1982	60	65.8	43.6
1981	52	66.8	44.1
1980	51	67.4	43.6
1979	75	64.8	41.9
1978	70	65.0	42.6
1977	49	66.7	44.6
1976	62	67.4	41.7
1975	44	66.7	45.5
1974	48	66.8	44.8
1973	28	67.5	46.5
1972	54	66.7	43.9
1971	34	68.8	44.6
1970	59	66.3	43.2
1969	67	65.3	43.1
1968	71	65.0	42.5
1967	56	66.8	43.7
1966	64	66.3	42.6
1965	45	68.4	43.8
1964	55	65.8	44.7
1963	72	64.5	42.8
1962	68	63.7	44.6
1961	73	63.0	44.2
1960	74	62.9	44.3
1959	42	65.9	46.8
1958	63	63.7	45.4
1957	36	65.6	47.6
1956	31	67.1	46.5
1955	30	67.1	46.8
1954	11	68.5	48.0
1953	13	68.8	47.0
1952	20	67.6	47.0
1951	66	63.6	44.9
1950	65	64.1	44.7
1949	39	66.1	46.7

Weather Station Details

Years	Station	Coordinates
1948–2024	Belleville SIU Research	location