All-time weather records — Mayville, WI
Climate change signal in Mayville
of Mayville's all-time daily heat records were set in the last decade (72 of 366 records since 2015).
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.