All-time weather records — Hartselle, AL
Climate change signal in Hartselle
of Hartselle's all-time daily heat records were set in the last decade (180 of 366 records since 2015).
of all-time daily cold records were set in the last decade (153 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 | # |
|---|---|---|---|---|
| 1990s | 27 | 8 | ||
| 2000s | 90 | 118 | ||
| 2010s | 174 | 165 | ||
| 2020s | 75 | 75 |
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 1998, the latest in 2026. Period of observation: 1998-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 77.0°F — Jan 2, 2022 | 5.0°F — Jan 24, 2003 | 4.00 in — Jan 1, 2011 |
| February | 82.9°F — Feb 24, 2023 | 10.0°F — Feb 19, 2015 | 3.63 in — Feb 5, 2004 |
| March | 88.0°F — Mar 23, 2026 | 16.0°F — Mar 6, 2015 | 3.18 in — Mar 19, 2000 |
| April | 89.1°F — Apr 19, 2006 | 28.0°F — Apr 8, 2007 | 4.60 in — Apr 15, 2018 |
| May | 93.9°F — May 27, 2019 | 37.0°F — May 9, 2020 | 4.15 in — May 1, 2009 |
| June | 102.9°F — Jun 30, 2012 | 52.0°F — Jun 6, 2015 | 2.50 in — Jun 22, 2021 |
| July | 102.0°F — Jul 1, 2012 | 55.0°F — Jul 21, 2014 | 7.52 in — Jul 5, 2013 |
| August | 100.9°F — Aug 15, 2007 | 55.9°F — Aug 13, 2004 | 3.65 in — Aug 4, 2023 |
| September | 99.0°F — Sep 2, 2024 | 44.1°F — Sep 26, 2001 | 4.22 in — Sep 25, 2020 |
| October | 100.0°F — Oct 3, 2019 | 30.0°F — Oct 26, 2013 | 3.80 in — Oct 29, 2020 |
| November | 88.0°F — Nov 2, 2016 | 19.0°F — Nov 13, 2019 | 4.83 in — Nov 30, 2016 |
| December | 79.0°F — Dec 5, 1998 | 3.0°F — Dec 23, 2022 | 4.04 in — Dec 26, 2015 |
Click a month to see every daily record for that month in Hartselle.