All-time weather records — Polo, IL

Record high
102.0°F
July 7, 2012
Record low
-32.1°F
January 16, 2009
Wettest day
5.21 in
June 4, 2002

Climate change signal in Polo

12.3%

of Polo's all-time daily heat records were set in the last decade (45 of 366 records since 2015).

8.7%

of all-time daily cold records were set in the last decade (32 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
69
101
2000s
160
143
2010s
137
122

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 1995, the latest in 2017. Period of observation: 1995-2017.

Records by month

Month Hottest day Coldest day Wettest day
January 61.0°F — Jan 6, 2008 -32.1°F — Jan 16, 2009 1.59 in — Jan 29, 2001
February 71.1°F — Feb 22, 2017 -26.0°F — Feb 3, 1996 1.56 in — Feb 21, 1997
March 84.0°F — Mar 17, 2012 -11.9°F — Mar 4, 2002 2.61 in — Mar 23, 2009
April 91.0°F — Apr 18, 2002 16.0°F — Apr 5, 1996 3.04 in — Apr 20, 2000
May 98.1°F — May 27, 2012 21.0°F — May 3, 2005 2.77 in — May 28, 1996
June 99.0°F — Jun 28, 2012 39.0°F — Jun 7, 1998 5.21 in — Jun 4, 2002
July 102.0°F — Jul 7, 2012 43.0°F — Jul 2, 2001 4.74 in — Jul 18, 2007
August 97.0°F — Aug 3, 2012 39.9°F — Aug 31, 2009 2.37 in — Aug 3, 2010
September 97.0°F — Sep 9, 2013 27.0°F — Sep 23, 1995 2.44 in — Sep 28, 1999
October 90.0°F — Oct 3, 1997 17.1°F — Oct 24, 1999 2.53 in — Oct 17, 1998
November 79.0°F — Nov 1, 2000 -0.9°F — Nov 29, 1995 1.96 in — Nov 25, 2015
December 69.1°F — Dec 4, 1998 -18.0°F — Dec 25, 2000 1.73 in — Dec 10, 2003

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