All-time weather records — Collinsville, IL

Record high
102.9°F
August 2, 1987
Record low
°F
January 1,
Wettest day
7.05 in
August 20, 1915

Climate change signal in Collinsville

0%

of Collinsville's all-time daily heat records were set in the last decade (0 of 304 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 of 304 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 #
1890s
33
51
1910s
·
·
1920s
·
·
1930s
·
·
1940s
·
·
1950s
·
·
1960s
·
·
1970s
·
·
1980s
271
253
1990s
·
·
2000s
·
·
2010s
·
·
2020s
·
·

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 1893, the latest in 1988. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January — — 3.05 in — Jan 4, 2005
February 53.1°F — Feb 19, 1893 -2.9°F — Feb 12, 1988 3.30 in — Feb 7, 1999
March 90.0°F — Mar 5, 1988 10.0°F — Mar 4, 1893 3.22 in — Mar 28, 1977
April 90.0°F — Apr 5, 1988 35.1°F — Apr 15, 1988 5.13 in — Apr 22, 1944
May 93.9°F — May 20, 1987 44.1°F — May 5, 1987 6.43 in — May 26, 2009
June 100.9°F — Jun 14, 1987 48.0°F — Jun 5, 1987 4.45 in — Jun 19, 1951
July 99.0°F — Jul 26, 1987 57.0°F — Jul 14, 1987 6.00 in — Jul 14, 1912
August 102.9°F — Aug 2, 1987 54.0°F — Aug 24, 1987 7.05 in — Aug 20, 1915
September 93.9°F — Sep 5, 1987 46.9°F — Sep 1, 1987 3.92 in — Sep 14, 2008
October 81.0°F — Oct 30, 1987 27.0°F — Oct 12, 1987 4.45 in — Oct 20, 2016
November 84.0°F — Nov 3, 1987 17.1°F — Nov 21, 1987 6.29 in — Nov 5, 2024
December — — 5.92 in — Dec 27, 2015

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