All-time weather records — Kankakee, IL

Record high
107.1°F
August 17, 1988
Record low
-29.0°F
January 20, 1985
Wettest day
5.85 in
June 17, 2012

Climate change signal in Kankakee

17.8%

of Kankakee's all-time daily heat records were set in the last decade (65 of 366 records since 2015).

7.7%

of all-time daily cold records were set in the last decade (28 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1940s
·
·
1950s
·
·
1970s
31
73
1980s
89
127
1990s
78
83
2000s
66
38
2010s
69
35
2020s
33
10

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1973, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.0°F — Jan 8, 2008 -29.0°F — Jan 20, 1985 2.78 in — Jan 8, 2008
February 73.9°F — Feb 26, 2000 -20.9°F — Feb 5, 1979 1.93 in — Feb 25, 2001
March 84.9°F — Mar 22, 2012 -7.1°F — Mar 4, 2002 3.00 in — Mar 9, 2009
April 91.0°F — Apr 27, 1986 8.1°F — Apr 7, 1982 4.65 in — Apr 19, 1975
May 99.0°F — May 28, 2018 27.0°F — May 7, 1989 3.95 in — May 25, 2006
June 102.9°F — Jun 26, 1988 37.9°F — Jun 1, 2003 5.85 in — Jun 17, 2012
July 102.9°F — Jul 25, 1987 46.0°F — Jul 2, 2001 4.36 in — Jul 10, 2000
August 107.1°F — Aug 17, 1988 39.0°F — Aug 28, 1986 3.30 in — Aug 31, 1980
September 99.0°F — Sep 6, 1998 30.0°F — Sep 27, 1991 3.44 in — Sep 1, 1989
October 90.0°F — Oct 4, 2025 18.0°F — Oct 24, 1981 3.05 in — Oct 25, 2021
November 79.0°F — Nov 2, 2016 1.0°F — Nov 26, 1977 3.36 in — Nov 28, 1990
December 71.1°F — Dec 4, 2012 -26.0°F — Dec 24, 1983 3.65 in — Dec 3, 1982

Click a month to see every daily record for that month in Kankakee.