Earliest and Latest Days of 90° F in Belleville

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Belleville, Illinois history. It is based on NOAA data from the years 1948–2024.

Also see:

Earliest 90 degree day in Belleville?

The earliest in the year that Belleville, Illinois had a high temperature of at least 90 °F is April 14 which happened in 2006.

Latest 90 degree day in Belleville?

The latest in the year that Belleville, Illinois had a high temperature of at least 90 °F is October 11 which happened in 1963.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 14	2006	91 °F
April 15	2006	91 °F
April 23	1965	90 °F
April 25	1989	90 °F
April 26	1989	90 °F
April 29	1987	90 °F
April 30	2007	91 °F
May 1	2007	90 °F
May 2	1952	90 °F
May 3	1959	90 °F
May 3	1949	90 °F
May 4	1952	90 °F
May 5	2012	91 °F
May 5	1959	91 °F
May 5	1952	93 °F
May 6	2012	91 °F
May 6	1969	90 °F
May 6	1949	90 °F
May 7	2012	90 °F
May 8	1963	90 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
October 11	1963	92 °F
October 9	2010	90 °F
October 9	1980	91 °F
October 8	2007	92 °F
October 8	1980	92 °F
October 7	2007	90 °F
October 7	1963	90 °F
October 6	2018	90 °F
October 6	2007	92 °F
October 5	2018	91 °F
October 5	2007	92 °F
October 5	2006	90 °F
October 5	1997	90 °F
October 5	1981	90 °F
October 5	1954	91 °F
October 4	2007	91 °F
October 4	2006	93 °F
October 4	1997	90 °F
October 4	1954	91 °F
October 3	2019	94 °F
October 3	2018	90 °F
October 3	2006	94 °F
October 3	2002	90 °F
October 3	1954	92 °F