All-time weather records — Algonac, MI
Climate change signal in Algonac
of Algonac's all-time daily heat records were set in the last decade (202 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 | 83 | 121 | ||
| 2010s | 161 | 142 | ||
| 2020s | 122 | 103 |
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 2004, the latest in 2026. Period of observation: 2004-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 57.9°F — Jan 8, 2008 | -13.0°F — Jan 24, 2026 | 2.48 in — Jan 12, 2020 |
| February | 68.0°F — Feb 28, 2024 | -17.0°F — Feb 20, 2015 | 1.81 in — Feb 12, 2009 |
| March | 84.9°F — Mar 23, 2012 | -4.0°F — Mar 6, 2015 | 1.70 in — Mar 25, 2016 |
| April | 87.1°F — Apr 16, 2016 | 17.1°F — Apr 5, 2016 | 1.93 in — Apr 1, 2023 |
| May | 95.0°F — May 28, 2018 | 25.0°F — May 8, 2022 | 3.10 in — May 31, 2015 |
| June | 99.0°F — Jun 16, 2022 | 37.0°F — Jun 5, 2009 | 2.30 in — Jun 26, 2021 |
| July | 100.9°F — Jul 18, 2012 | 46.0°F — Jul 24, 2004 | 2.55 in — Jul 20, 2012 |
| August | 98.1°F — Aug 10, 2016 | 43.0°F — Aug 30, 2025 | 3.14 in — Aug 12, 2016 |
| September | 95.0°F — Sep 1, 2012 | 5.0°F — Sep 4, 2012 | 2.06 in — Sep 26, 2018 |
| October | 93.9°F — Oct 8, 2007 | 25.0°F — Oct 31, 2023 | 2.38 in — Oct 20, 2011 |
| November | 75.9°F — Nov 4, 2015 | 10.0°F — Nov 13, 2019 | 1.83 in — Nov 30, 2011 |
| December | 60.1°F — Dec 10, 2023 | -2.9°F — Dec 28, 2004 | 1.70 in — Dec 1, 2006 |
Click a month to see every daily record for that month in Algonac.