All-time weather records — Marseilles, IL

Record high
102.0°F
July 8, 2012
Record low
-27.0°F
January 5, 1999
Wettest day
6.80 in
July 14, 1958

Climate change signal in Marseilles

36.9%

of Marseilles's all-time daily heat records were set in the last decade (135 of 366 records since 2015).

27%

of all-time daily cold records were set in the last decade (99 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
2
·
1950s
·
·
1960s
·
·
1970s
15
37
1980s
·
·
1990s
31
42
2000s
113
120
2010s
121
128
2020s
84
39

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 1949, the latest in 2026. Period of observation: 1941-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.9°F — Jan 8, 2008 -27.0°F — Jan 5, 1999 2.91 in — Jan 11, 2020
February 73.0°F — Feb 27, 2024 -18.0°F — Feb 1, 2019 2.50 in — Feb 21, 1997
March 82.9°F — Mar 21, 2012 -7.1°F — Mar 1, 2015 3.04 in — Mar 25, 1954
April 90.0°F — Apr 19, 2002 18.0°F — Apr 9, 1997 4.16 in — Apr 18, 2013
May 97.0°F — May 10, 2024 26.1°F — May 3, 2005 4.43 in — May 7, 2012
June 98.1°F — Jun 29, 2012 37.9°F — Jun 1, 2003 3.48 in — Jun 14, 2015
July 102.0°F — Jul 8, 2012 45.0°F — Jul 28, 1977 6.80 in — Jul 14, 1958
August 98.1°F — Aug 3, 2006 45.0°F — Aug 31, 2009 6.00 in — Aug 24, 2007
September 97.0°F — Sep 2, 2000 30.9°F — Sep 24, 2012 5.55 in — Sep 28, 2019
October 90.0°F — Oct 4, 2018 21.9°F — Oct 21, 2018 3.64 in — Oct 3, 1941
November 79.0°F — Nov 2, 2000 0.0°F — Nov 29, 1976 2.62 in — Nov 28, 1990
December 71.1°F — Dec 4, 2012 -16.1°F — Dec 26, 2000 3.93 in — Dec 3, 1982

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