All-time weather records — Pewaukee, WI
Climate change signal in Pewaukee
of Pewaukee's all-time daily heat records were set in the last decade (226 of 366 records since 2015).
of all-time daily cold records were set in the last decade (188 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 | # |
|---|---|---|---|---|
| 2000s | 42 | 70 | ||
| 2010s | 203 | 212 | ||
| 2020s | 121 | 84 |
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: 2007-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 59.0°F — Jan 30, 2013 | -33.0°F — Jan 30, 2019 | 0.83 in — Jan 23, 2018 |
| February | 71.1°F — Feb 28, 2024 | -26.0°F — Feb 1, 2019 | 1.53 in — Feb 27, 2023 |
| March | 82.9°F — Mar 22, 2012 | -18.0°F — Mar 4, 2019 | 1.27 in — Mar 15, 2024 |
| April | 84.0°F — Apr 25, 2009 | 15.1°F — Apr 7, 2018 | 2.56 in — Apr 16, 2026 |
| May | 93.9°F — May 13, 2022 | 28.0°F — May 9, 2020 | 3.40 in — May 13, 2014 |
| June | 97.0°F — Jun 15, 2022 | 36.0°F — Jun 4, 2009 | 5.66 in — Jun 8, 2008 |
| July | 102.0°F — Jul 6, 2012 | 45.0°F — Jul 2, 2015 | 4.65 in — Jul 15, 2010 |
| August | 97.0°F — Aug 24, 2023 | 39.9°F — Aug 31, 2009 | 6.55 in — Aug 10, 2025 |
| September | 93.0°F — Sep 3, 2008 | 33.1°F — Sep 19, 2012 | 5.81 in — Sep 12, 2022 |
| October | 87.1°F — Oct 7, 2007 | 21.0°F — Oct 31, 2020 | 1.65 in — Oct 1, 2018 |
| November | 75.9°F — Nov 4, 2015 | 5.0°F — Nov 21, 2014 | 3.58 in — Nov 5, 2022 |
| December | 64.9°F — Dec 16, 2021 | -9.0°F — Dec 19, 2016 | 1.41 in — Dec 2, 2007 |
Click a month to see every daily record for that month in Pewaukee.