All-time weather records — Slinger, WI

Record high
100.0°F
July 6, 2012
Record low
-31.0°F
January 31, 2019
Wettest day
5.65 in
August 10, 2025

Climate change signal in Slinger

68.9%

of Slinger's all-time daily heat records were set in the last decade (252 of 366 records since 2015).

59.6%

of all-time daily cold records were set in the last decade (218 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 #
2010s
217
271
2020s
149
95

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 2010, the latest in 2026. Period of observation: 2010-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 55.9°F — Jan 9, 2026 -31.0°F — Jan 31, 2019 1.00 in — Jan 13, 2024
February 70.0°F — Feb 28, 2024 -31.0°F — Feb 1, 2019 1.13 in — Feb 21, 2011
March 82.0°F — Mar 22, 2012 -17.0°F — Mar 3, 2014 1.63 in — Mar 16, 2026
April 84.9°F — Apr 15, 2023 9.0°F — Apr 5, 2018 3.94 in — Apr 20, 2023
May 93.0°F — May 28, 2018 23.0°F — May 9, 2020 2.03 in — May 10, 2013
June 95.0°F — Jun 15, 2022 34.0°F — Jun 12, 2023 3.24 in — Jun 16, 2022
July 100.0°F — Jul 6, 2012 42.1°F — Jul 2, 2015 4.40 in — Jul 15, 2010
August 96.1°F — Aug 24, 2023 41.0°F — Aug 14, 2013 5.65 in — Aug 10, 2025
September 91.0°F — Sep 4, 2023 30.0°F — Sep 15, 2011 3.08 in — Sep 12, 2022
October 86.0°F — Oct 4, 2025 19.9°F — Oct 17, 2015 4.50 in — Oct 2, 2019
November 73.0°F — Nov 4, 2015 -2.0°F — Nov 21, 2014 1.68 in — Nov 5, 2022
December 63.0°F — Dec 4, 2012 -17.0°F — Dec 30, 2013 1.41 in — Dec 21, 2012

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