All-time weather records — Cedarville, IL

Record high
102.9°F
July 8, 2012
Record low
-31.0°F
January 31, 2019
Wettest day
9.12 in
August 21, 2002

Climate change signal in Cedarville

19.1%

of Cedarville's all-time daily heat records were set in the last decade (70 of 366 records since 2015).

12.6%

of all-time daily cold records were set in the last decade (46 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
·
·
1960s
·
·
1970s
48
86
1980s
94
105
1990s
54
66
2000s
52
44
2010s
72
44
2020s
46
21

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 61.0°F — Jan 28, 2002 -31.0°F — Jan 31, 2019 1.54 in — Jan 12, 1960
February 75.9°F — Feb 28, 2024 -31.0°F — Feb 1, 2019 2.05 in — Feb 8, 2001
March 84.9°F — Mar 30, 1986 -18.9°F — Mar 1, 2015 2.47 in — Mar 5, 1976
April 91.9°F — Apr 23, 1980 9.0°F — Apr 7, 1982 3.72 in — Apr 16, 2006
May 96.1°F — May 28, 2018 25.0°F — May 2, 2005 2.88 in — May 13, 1978
June 100.0°F — Jun 21, 1988 37.9°F — Jun 1, 1993 4.78 in — Jun 3, 2002
July 102.9°F — Jul 8, 2012 46.0°F — Jul 2, 2001 6.00 in — Jul 24, 2010
August 100.9°F — Aug 17, 1988 39.9°F — Aug 28, 1986 9.12 in — Aug 21, 2002
September 96.1°F — Sep 8, 1985 28.0°F — Sep 23, 1974 5.25 in — Sep 14, 1961
October 90.0°F — Oct 4, 1997 15.1°F — Oct 30, 1988 2.59 in — Oct 31, 1960
November 77.0°F — Nov 1, 2000 -5.1°F — Nov 26, 1977 3.95 in — Nov 17, 1952
December 69.1°F — Dec 16, 2021 -23.1°F — Dec 25, 2000 2.04 in — Dec 15, 1971

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