All-time weather records — St. Helena, NC
Climate change signal in St. Helena
of St. Helena's all-time daily heat records were set in the last decade (145 of 366 records since 2015).
of all-time daily cold records were set in the last decade (113 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 | 107 | 152 | ||
| 2010s | 195 | 153 | ||
| 2020s | 64 | 61 |
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 2006, the latest in 2025. Period of observation: 2005-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 82.0°F — Jan 27, 2024 | 7.0°F — Jan 7, 2018 | 3.41 in — Jan 28, 2019 |
| February | 84.0°F — Feb 26, 2018 | 10.9°F — Feb 20, 2015 | 3.45 in — Feb 19, 2021 |
| March | 88.0°F — Mar 24, 2011 | 17.1°F — Mar 4, 2009 | 3.40 in — Mar 17, 2025 |
| April | 93.0°F — Apr 16, 2006 | 21.9°F — Apr 8, 2007 | 2.92 in — Apr 25, 2017 |
| May | 102.0°F — May 29, 2019 | 39.0°F — May 13, 2020 | 3.25 in — May 18, 2012 |
| June | 102.0°F — Jun 9, 2008 | 48.0°F — Jun 7, 2006 | 3.01 in — Jun 26, 2013 |
| July | 102.0°F — Jul 2, 2012 | 45.0°F — Jul 24, 2007 | 3.10 in — Jul 11, 2024 |
| August | 102.0°F — Aug 9, 2007 | 44.1°F — Aug 31, 2007 | 9.71 in — Aug 8, 2024 |
| September | 98.1°F — Sep 4, 2010 | 42.1°F — Sep 23, 2020 | 6.70 in — Sep 1, 2006 |
| October | 96.1°F — Oct 4, 2019 | 27.0°F — Oct 30, 2007 | 2.90 in — Oct 2, 2015 |
| November | 87.1°F — Nov 7, 2018 | 18.0°F — Nov 19, 2014 | 3.80 in — Nov 13, 2020 |
| December | 82.0°F — Dec 12, 2007 | 14.0°F — Dec 8, 2010 | 5.20 in — Dec 19, 2023 |
Click a month to see every daily record for that month in St. Helena.