Number of Days of 100 °F in Belleville 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 Belleville, Illinois, between 1948 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 2012 holds the record for the most 100 °F days in Belleville history. There were 23 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 Belleville so far in 2024. As of April 10, the highest temperature this year is 83 °F.

The last time it reached at least 100° F was July 21, 2017.

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

Year	Rank	Days >= 100 °F
2024	28	0
2023	28	0
2022	28	0
2021	28	0
2020	28	0
2019	28	0
2018	28	0
2017	23	1
2016	28	0
2015	28	0
2014	28	0
2013	28	0
2012	1	23
2011	9	5
2010	23	1
2009	28	0
2008	28	0
2007	4	10
2006	9	5
2005	12	4
2004	28	0
2003	16	2
2002	28	0
2001	28	0
2000	23	1
1999	9	5
1998	28	0
1997	28	0
1996	28	0
1995	16	2
1994	28	0
1993	28	0
1992	28	0
1991	28	0
1990	14	3
1989	28	0
1988	12	4
1987	28	0
1986	28	0
1985	28	0
1984	28	0
1983	6	7
1982	28	0
1981	28	0
1980	3	12
1979	28	0
1978	28	0
1977	28	0
1976	16	2
1975	28	0
1974	28	0
1973	28	0
1972	28	0
1971	14	3
1970	16	2
1969	28	0
1968	28	0
1967	28	0
1966	6	7
1965	16	2
1964	16	2
1963	23	1
1962	16	2
1961	28	0
1960	28	0
1959	28	0
1958	28	0
1957	28	0
1956	23	1
1955	28	0
1954	2	16
1953	6	7
1952	5	9
1951	28	0
1950	28	0
1949	28	0
1948	28	0

Weather Station Details

Years	Station	Coordinates
1948–2024	Belleville SIU Research	location