All-time weather records — St. Augustine, IL

Record high
102.0°F
July 24, 2012
Record low
-26.0°F
January 16, 2009
Wettest day
7.38 in
October 3, 1986

Climate change signal in St. Augustine

57.4%

of St. Augustine's all-time daily heat records were set in the last decade (210 of 366 records since 2015).

64.2%

of all-time daily cold records were set in the last decade (235 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 #
1950s
·
·
1960s
·
·
1970s
·
·
1980s
·
·
1990s
·
·
2000s
18
59
2010s
209
187
2020s
139
120

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 2008, the latest in 2026. Period of observation: 1950-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 63.0°F — Jan 4, 2023 -26.0°F — Jan 16, 2009 2.23 in — Jan 2, 1965
February 77.0°F — Feb 28, 2024 -14.1°F — Feb 1, 2019 3.32 in — Feb 21, 1997
March 87.1°F — Mar 27, 2026 -4.0°F — Mar 6, 2015 4.75 in — Mar 25, 1954
April 86.0°F — Apr 2, 2012 -0.9°F — Apr 2, 2018 5.25 in — Apr 18, 2013
May 97.0°F — May 29, 2018 27.0°F — May 4, 2011 4.41 in — May 16, 2009
June 98.1°F — Jun 24, 2009 44.1°F — Jun 1, 2012 4.49 in — Jun 20, 1964
July 102.0°F — Jul 24, 2012 46.0°F — Jul 1, 2024 5.37 in — Jul 11, 2017
August 96.1°F — Aug 3, 2012 43.0°F — Aug 31, 2009 5.50 in — Aug 23, 2002
September 99.0°F — Sep 2, 2011 30.9°F — Sep 24, 2012 5.72 in — Sep 24, 1961
October 90.0°F — Oct 4, 2025 19.9°F — Oct 29, 2017 7.38 in — Oct 3, 1986
November 77.0°F — Nov 5, 2022 1.9°F — Nov 12, 2019 2.43 in — Nov 30, 2006
December 72.0°F — Dec 4, 2012 -11.9°F — Dec 15, 2025 2.82 in — Dec 3, 1982

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