All-time weather records — Plum City, WI
Climate change signal in Plum City
of Plum City's all-time daily heat records were set in the last decade (214 of 366 records since 2015).
of all-time daily cold records were set in the last decade (155 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 | # |
|---|---|---|---|---|
| 1930s | · | · | ||
| 1940s | · | · | ||
| 1950s | · | · | ||
| 1990s | · | · | ||
| 2000s | 47 | 86 | ||
| 2010s | 192 | 199 | ||
| 2020s | 127 | 81 |
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 2007, the latest in 2026. Period of observation: 1935-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 55.9°F — Jan 11, 2012 | -36.9°F — Jan 31, 2019 | 1.14 in — Jan 17, 2017 |
| February | 66.0°F — Feb 27, 2024 | -36.9°F — Feb 1, 2019 | 1.90 in — Mar 1, 2012 |
| March | 82.0°F — Mar 18, 2012 | -26.0°F — Mar 3, 2014 | 1.60 in — Mar 15, 2026 |
| April | 89.1°F — Apr 25, 2009 | 9.0°F — Apr 5, 2018 | 2.81 in — Apr 18, 2019 |
| May | 97.0°F — May 29, 2018 | 28.0°F — May 9, 2020 | 2.88 in — May 31, 2000 |
| June | 100.0°F — Jun 8, 2011 | 30.0°F — Jun 1, 2015 | 3.66 in — Jun 1, 1938 |
| July | 99.0°F — Jul 5, 2012 | 46.9°F — Jul 27, 2013 | 4.00 in — Jul 14, 2018 |
| August | 97.0°F — Aug 24, 2023 | 43.0°F — Aug 31, 2009 | 6.50 in — Aug 14, 2009 |
| September | 99.0°F — Sep 4, 2023 | 30.0°F — Sep 15, 2007 | 7.05 in — Sep 15, 1992 |
| October | 90.0°F — Oct 2, 2023 | 15.1°F — Oct 27, 2020 | 2.80 in — Oct 31, 1991 |
| November | 75.9°F — Nov 4, 2008 | 0.0°F — Nov 21, 2014 | 1.87 in — Nov 29, 1991 |
| December | 64.9°F — Dec 16, 2021 | -20.9°F — Dec 30, 2013 | 1.14 in — Dec 12, 2010 |
Click a month to see every daily record for that month in Plum City.