All-time weather records — Mayville, WI

Record high
102.0°F
July 6, 2012
Record low
-36.0°F
January 18, 1994
Wettest day
5.94 in
July 21, 1999

Climate change signal in Mayville

19.7%

of Mayville's all-time daily heat records were set in the last decade (72 of 366 records since 2015).

11.5%

of all-time daily cold records were set in the last decade (42 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 #
1970s
82
87
1980s
60
88
1990s
61
103
2000s
53
29
2010s
68
43
2020s
42
16

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 1970, the latest in 2026. Period of observation: 1970-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 55.0°F — Jan 18, 1996 -36.0°F — Jan 18, 1994 1.21 in — Jan 29, 2006
February 70.0°F — Feb 28, 2024 -31.0°F — Feb 1, 2019 1.19 in — Feb 27, 2009
March 82.9°F — Mar 22, 2012 -15.0°F — Mar 3, 2014 3.05 in — Mar 31, 1998
April 89.1°F — Apr 22, 1980 9.0°F — Apr 7, 1982 2.88 in — Apr 4, 2011
May 93.0°F — May 28, 1978 21.9°F — May 18, 2002 3.50 in — May 13, 1978
June 99.0°F — Jun 20, 1988 30.0°F — Jun 15, 1999 4.03 in — Jun 9, 2008
July 102.0°F — Jul 6, 2012 42.1°F — Jul 5, 1972 5.94 in — Jul 21, 1999
August 100.0°F — Aug 1, 1988 37.9°F — Aug 27, 1986 3.27 in — Aug 9, 1995
September 95.0°F — Sep 8, 1978 10.0°F — Sep 27, 1992 5.79 in — Sep 10, 1986
October 87.1°F — Oct 1, 1971 14.0°F — Oct 30, 1988 5.60 in — Oct 2, 2019
November 73.9°F — Nov 4, 2015 -9.9°F — Nov 29, 1976 2.78 in — Nov 4, 2003
December 66.0°F — Dec 6, 2001 -25.1°F — Dec 24, 1983 1.66 in — Dec 20, 1991

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