All-time weather records — Mount Pleasant, WI

Record high
104.0°F
July 4, 2012
Record low
-17.0°F
January 5, 1999
Wettest day
8.10 in
September 11, 2022

Climate change signal in Mount Pleasant

47%

of Mount Pleasant's all-time daily heat records were set in the last decade (172 of 366 records since 2015).

32.2%

of all-time daily cold records were set in the last decade (118 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
24
18
2000s
100
146
2010s
147
151
2020s
95
51

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 1998, the latest in 2026. Period of observation: 1998-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 63.0°F — Jan 7, 2008 -17.0°F — Jan 5, 1999 1.70 in — Jan 29, 2013
February 75.9°F — Feb 27, 2024 -13.9°F — Feb 5, 2007 1.83 in — Feb 27, 2023
March 78.1°F — Mar 7, 2000 -8.0°F — Mar 4, 2002 1.50 in — Mar 30, 2017
April 88.0°F — Apr 15, 2002 18.1°F — Apr 7, 2018 2.08 in — Apr 9, 2015
May 91.0°F — May 27, 2018 28.2°F — May 9, 2020 3.32 in — May 17, 2020
June 100.0°F — Jun 21, 2022 39.0°F — Jun 4, 2009 3.36 in — Jun 7, 2008
July 104.0°F — Jul 4, 2012 45.0°F — Jul 2, 2001 3.88 in — Jul 9, 2020
August 98.1°F — Aug 23, 2023 46.9°F — Aug 31, 2009 3.64 in — Aug 19, 2007
September 96.1°F — Sep 10, 2013 37.0°F — Sep 19, 2012 8.10 in — Sep 11, 2022
October 87.1°F — Oct 4, 2025 22.1°F — Oct 31, 2020 1.94 in — Oct 13, 2001
November 77.0°F — Nov 9, 2020 8.2°F — Nov 12, 2019 1.47 in — Nov 5, 2005
December 69.1°F — Dec 5, 2001 -10.8°F — Dec 19, 2016 1.81 in — Dec 20, 2012

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