All-time weather records — Aiken, SC
Climate change signal in Aiken
of Aiken's all-time daily heat records were set in the last decade (248 of 366 records since 2015).
of all-time daily cold records were set in the last decade (197 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 | 14 | 20 | ||
| 2010s | 254 | 237 | ||
| 2020s | 98 | 109 |
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 2009, the latest in 2026. Period of observation: 2009-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 78.1°F — Jan 3, 2022 | 10.0°F — Jan 7, 2014 | 2.50 in — Jan 2, 2017 |
| February | 82.9°F — Feb 9, 2019 | 12.9°F — Feb 20, 2015 | 2.90 in — Feb 4, 2016 |
| March | 88.0°F — Mar 12, 2026 | 21.9°F — Mar 17, 2017 | 1.80 in — Mar 24, 2013 |
| April | 93.0°F — Apr 7, 2010 | 30.0°F — Apr 8, 2009 | 2.49 in — Apr 7, 2022 |
| May | 102.9°F — May 30, 2019 | 42.1°F — May 8, 2009 | 2.80 in — May 12, 2025 |
| June | 102.0°F — Jun 23, 2022 | 53.1°F — Jun 1, 2021 | 3.40 in — Jun 9, 2019 |
| July | 106.0°F — Jul 2, 2012 | 61.0°F — Jul 1, 2021 | 2.73 in — Jul 1, 2015 |
| August | 102.0°F — Aug 4, 2011 | 57.9°F — Aug 27, 2013 | 3.98 in — Aug 16, 2009 |
| September | 98.1°F — Sep 10, 2018 | 50.0°F — Sep 23, 2020 | 4.38 in — Sep 3, 2016 |
| October | 99.0°F — Oct 4, 2019 | 27.0°F — Oct 24, 2015 | 3.12 in — Oct 13, 2009 |
| November | 82.9°F — Nov 1, 2016 | 19.9°F — Nov 19, 2014 | 5.00 in — Nov 7, 2024 |
| December | 78.1°F — Dec 6, 2021 | 3.0°F — Dec 24, 2016 | 2.50 in — Dec 23, 2019 |
Click a month to see every daily record for that month in Aiken.