All-time weather records — Prairie du Sac, WI

Record high
102.9°F
July 6, 2012
Record low
-38.0°F
January 31, 2019
Wettest day
4.87 in
October 23, 2020

Climate change signal in Prairie du Sac

63.9%

of Prairie du Sac's all-time daily heat records were set in the last decade (234 of 366 records since 2015).

49.7%

of all-time daily cold records were set in the last decade (182 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 #
2000s
21
64
2010s
197
220
2020s
148
82

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: 2008-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 59.0°F — Jan 31, 2025 -38.0°F — Jan 31, 2019 0.82 in — Jan 29, 2013
February 72.0°F — Feb 28, 2024 -38.0°F — Feb 1, 2019 0.96 in — Feb 24, 2019
March 82.0°F — Mar 22, 2012 -17.0°F — Mar 4, 2014 1.74 in — Mar 20, 2020
April 84.0°F — Apr 25, 2009 10.9°F — Apr 8, 2018 2.60 in — Apr 14, 2014
May 96.1°F — May 28, 2018 21.9°F — May 9, 2020 3.31 in — May 4, 2018
June 96.1°F — Jun 21, 2008 37.0°F — Jun 2, 2015 3.45 in — Jun 8, 2008
July 102.9°F — Jul 6, 2012 44.1°F — Jul 4, 2017 3.05 in — Jul 20, 2017
August 97.0°F — Aug 2, 2008 39.9°F — Aug 26, 2008 4.05 in — Aug 21, 2018
September 93.9°F — Sep 11, 2013 28.0°F — Sep 25, 2012 3.39 in — Sep 22, 2024
October 89.1°F — Oct 4, 2025 19.9°F — Oct 21, 2018 4.87 in — Oct 23, 2020
November 75.0°F — Nov 4, 2015 -2.0°F — Nov 21, 2014 1.98 in — Nov 5, 2022
December 69.1°F — Dec 16, 2021 -18.0°F — Dec 14, 2010 1.69 in — Dec 14, 2015

Click a month to see every daily record for that month in Prairie du Sac.