All-time weather records — Chapel Hill, NC
Climate change signal in Chapel Hill
of Chapel Hill's all-time daily heat records were set in the last decade (60 of 366 records since 2015).
of all-time daily cold records were set in the last decade (57 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 | 5 | 14 | ||
| 2000s | 197 | 220 | ||
| 2010s | 164 | 132 |
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 1999, the latest in 2018. Period of observation: 1999-2018.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 80.1°F — Jan 30, 2002 | 3.2°F — Jan 7, 2018 | 1.85 in — Jan 19, 2002 |
| February | 81.0°F — Feb 12, 2017 | 6.3°F — Feb 20, 2015 | 1.85 in — Feb 5, 2010 |
| March | 86.0°F — Mar 16, 2016 | 16.0°F — Mar 5, 2002 | 2.49 in — Mar 29, 2001 |
| April | 91.0°F — Apr 6, 2010 | 26.2°F — Apr 8, 2007 | 2.84 in — Apr 24, 2017 |
| May | 93.9°F — May 31, 2011 | 36.0°F — May 23, 2002 | 4.49 in — May 15, 2014 |
| June | 104.0°F — Jun 29, 2012 | 48.0°F — Jun 2, 2003 | 5.13 in — Jun 30, 2013 |
| July | 102.0°F — Jul 7, 2010 | 55.9°F — Jul 2, 2008 | 4.14 in — Jul 23, 2000 |
| August | 104.0°F — Aug 9, 2007 | 52.0°F — Aug 7, 2004 | 4.80 in — Aug 27, 2008 |
| September | 97.0°F — Sep 3, 2010 | 42.1°F — Sep 23, 1999 | 5.28 in — Sep 5, 1999 |
| October | 91.9°F — Oct 8, 2007 | 27.0°F — Oct 29, 2001 | 4.46 in — Oct 8, 2016 |
| November | 82.9°F — Nov 1, 2003 | 17.2°F — Nov 19, 2014 | 2.67 in — Nov 11, 2009 |
| December | 79.0°F — Dec 10, 2007 | 10.9°F — Dec 20, 2004 | 2.54 in — Dec 30, 2015 |
Click a month to see every daily record for that month in Chapel Hill.