Earliest and Latest Days of 100° F in Bloomington-Normal

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Bloomington-Normal, Illinois history. It is based on NOAA data from the years 1893–2024.

Also see:

Earliest 100 degree day in Bloomington-Normal?

The earliest in the year that Bloomington-Normal, Illinois had a high temperature of at least 100 °F is May 31 which happened in 1934.

Latest 100 degree day in Bloomington-Normal?

The latest in the year that Bloomington-Normal, Illinois had a high temperature of at least 100 °F is September 29 which happened in 1953.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 31	1934	103 °F
June 1	1934	106 °F
June 2	1934	103 °F
June 3	1934	102 °F
June 3	1895	103 °F
June 4	1934	101 °F
June 9	1914	100 °F
June 9	1911	102 °F
June 9	1895	101 °F
June 10	1933	100 °F
June 10	1911	101 °F
June 10	1895	102 °F
June 11	1933	100 °F
June 11	1895	101 °F
June 14	1987	101 °F
June 14	1894	103 °F
June 15	2022	102 °F
June 16	1918	102 °F
June 18	1905	100 °F
June 18	1893	103 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 29	1953	100 °F
September 15	1939	102 °F
September 14	1939	102 °F
September 14	1893	100 °F
September 13	1939	100 °F
September 13	1897	100 °F
September 9	1933	100 °F
September 7	1939	100 °F
September 7	1933	101 °F
September 7	1899	101 °F
September 6	1925	102 °F
September 6	1899	100 °F
September 5	1899	103 °F
September 4	1925	100 °F
September 3	2011	100 °F
September 3	1913	102 °F
September 2	2011	101 °F
September 2	1953	100 °F
September 2	1913	100 °F
September 1	1953	101 °F
September 1	1894	102 °F