Earliest and Latest Days of 100° F in Morris

This is a list of the earliest and latest days in the year with a high temperature of at least 100 °F in Morris, Illinois history. It is based on NOAA data from the years 1911–2024.

Also see:

Earliest 100 degree day in Morris?

The earliest in the year that Morris, Illinois had a high temperature of at least 100 °F is May 28 which happened in 2018.

Latest 100 degree day in Morris?

The latest in the year that Morris, Illinois had a high temperature of at least 100 °F is September 15 which has happened twice, most recently in 1939.

Earliest Days ≥ 100 °F

Date	Year	Temperature
May 28	2018	100 °F
May 31	1934	103 °F
June 1	1934	106 °F
June 3	1934	103 °F
June 20	1953	101 °F
June 23	1923	100 °F
June 24	1937	101 °F
June 25	1954	100 °F
June 25	1937	100 °F
June 27	1933	102 °F
June 28	1934	101 °F
June 28	1931	100 °F
June 28	1913	101 °F
June 29	2012	100 °F
June 29	1934	101 °F
June 29	1913	100 °F
June 30	1931	102 °F
July 1	1956	101 °F
July 1	1931	102 °F
July 2	1956	100 °F

Latest Days ≥ 100 °F

Date	Year	Temperature
September 15	1939	103 °F
September 15	1927	100 °F
September 14	1939	102 °F
September 13	1939	101 °F
September 8	1922	103 °F
September 7	1939	102 °F
September 7	1922	100 °F
September 6	1925	102 °F
September 6	1922	103 °F
September 5	1925	102 °F
September 4	1925	102 °F
September 2	1953	100 °F
September 2	1922	102 °F
September 2	1913	100 °F
September 1	1953	100 °F
August 30	1925	101 °F
August 23	1947	100 °F
August 22	1947	100 °F
August 22	1936	101 °F
August 21	1916	101 °F