All-time weather records — Mount Sterling, WI

Record high
102.9°F
August 2, 1988
Record low
-47.9°F
February 3, 1996
Wettest day
8.27 in
June 26, 2021

Climate change signal in Mount Sterling

30.3%

of Mount Sterling's all-time daily heat records were set in the last decade (111 of 366 records since 2015).

13.7%

of all-time daily cold records were set in the last decade (50 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 #
1980s
51
60
1990s
64
150
2000s
86
68
2010s
95
61
2020s
70
27

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 1986, the latest in 2026. Period of observation: 1981-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 60.1°F — Jan 31, 2025 -45.0°F — Jan 31, 2019 2.80 in — Jan 10, 1987
February 69.1°F — Feb 27, 2024 -47.9°F — Feb 3, 1996 1.37 in — Feb 27, 1998
March 84.0°F — Mar 29, 2025 -23.1°F — Mar 4, 2002 2.25 in — Mar 31, 1998
April 89.1°F — Apr 30, 2007 10.0°F — Apr 9, 1997 2.35 in — Apr 27, 2009
May 96.1°F — May 28, 2018 19.9°F — May 3, 2005 2.82 in — May 4, 2018
June 100.0°F — Jun 21, 1988 34.0°F — Jun 1, 1993 8.27 in — Jun 26, 2021
July 102.0°F — Jul 14, 1995 44.1°F — Jul 2, 1988 3.80 in — Jul 4, 2007
August 102.9°F — Aug 2, 1988 37.9°F — Aug 21, 2004 7.41 in — Aug 19, 2007
September 98.1°F — Sep 4, 2023 24.1°F — Sep 30, 2003 5.25 in — Sep 4, 2018
October 89.1°F — Oct 4, 1997 9.0°F — Oct 30, 1988 3.45 in — Oct 2, 2019
November 75.0°F — Nov 3, 2022 -9.9°F — Nov 26, 1991 2.92 in — Nov 5, 2022
December 69.1°F — Dec 16, 2021 -33.0°F — Dec 25, 2000 2.48 in — Dec 14, 2015

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