All-time weather records — Fairview Heights, IL

Record high
107.1°F
June 28, 2012
Record low
-13.9°F
January 7, 2014
Wettest day
7.23 in
July 26, 2022

Climate change signal in Fairview Heights

42.1%

of Fairview Heights's all-time daily heat records were set in the last decade (154 of 366 records since 2015).

33.3%

of all-time daily cold records were set in the last decade (122 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 #
1990s
31
37
2000s
103
140
2010s
146
115
2020s
86
74

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 1997, the latest in 2026. Period of observation: 1997-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 77.0°F — Jan 21, 1999 -13.9°F — Jan 7, 2014 2.05 in — Jan 4, 2004
February 86.0°F — Feb 27, 2024 -6.9°F — Feb 7, 2014 2.25 in — Feb 24, 2018
March 93.0°F — Mar 22, 2026 4.1°F — Mar 3, 2014 2.71 in — Mar 18, 2008
April 91.9°F — Apr 14, 2006 24.3°F — Apr 7, 2007 3.14 in — Apr 18, 2013
May 95.0°F — May 26, 2012 33.1°F — May 4, 2011 2.36 in — May 16, 2020
June 107.1°F — Jun 28, 2012 45.0°F — Jun 1, 2003 4.80 in — Jun 26, 1999
July 107.1°F — Jul 6, 2012 50.0°F — Jul 28, 2013 7.23 in — Jul 26, 2022
August 105.1°F — Aug 15, 2007 46.9°F — Aug 12, 2004 3.47 in — Aug 15, 2016
September 102.0°F — Sep 1, 2011 35.1°F — Sep 25, 2001 4.76 in — Sep 8, 2018
October 93.9°F — Oct 1, 2019 22.1°F — Oct 25, 2013 2.83 in — Oct 25, 2022
November 84.9°F — Nov 1, 2016 11.1°F — Nov 12, 2019 3.22 in — Nov 4, 2024
December 78.1°F — Dec 28, 2025 -5.1°F — Dec 20, 2000 2.21 in — Dec 26, 2015

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