All-time weather records — Batavia, IL

Record high
100.0°F
July 6, 2012
Record low
-28.8°F
January 31, 2019
Wettest day
6.02 in
September 13, 2008

Climate change signal in Batavia

43.7%

of Batavia's all-time daily heat records were set in the last decade (160 of 366 records since 2015).

29.5%

of all-time daily cold records were set in the last decade (108 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
48
2000s
106
138
2010s
128
138
2020s
101
42

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 64.9°F — Jan 7, 2008 -28.8°F — Jan 31, 2019 1.34 in — Jan 29, 2013
February 73.9°F — Feb 27, 2024 -19.8°F — Feb 10, 2011 1.77 in — Feb 26, 2009
March 82.9°F — Mar 20, 2012 -9.0°F — Mar 4, 2002 1.83 in — Mar 30, 2017
April 88.0°F — Apr 18, 2002 16.2°F — Apr 7, 2018 2.34 in — Apr 18, 2013
May 96.1°F — May 27, 2012 26.1°F — May 21, 2002 3.69 in — May 14, 2020
June 99.0°F — Jun 28, 2012 34.0°F — Jun 1, 2003 3.09 in — Jun 15, 2015
July 100.0°F — Jul 6, 2012 42.1°F — Jul 2, 2001 3.17 in — Jul 28, 2023
August 97.0°F — Aug 2, 2006 43.0°F — Aug 31, 2009 2.86 in — Aug 13, 2002
September 95.0°F — Sep 2, 2008 32.0°F — Sep 24, 2012 6.02 in — Sep 13, 2008
October 89.1°F — Oct 3, 2025 21.0°F — Oct 28, 1997 3.90 in — Oct 14, 2017
November 86.0°F — Nov 7, 2016 4.1°F — Nov 22, 2015 1.40 in — Nov 6, 2000
December 69.1°F — Dec 3, 2012 -14.8°F — Dec 19, 2016 1.54 in — Dec 27, 2008

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