All-time weather records — Hartsville, SC

Record high
108.0°F
August 2, 1999
Record low
8.1°F
January 7, 2018
Wettest day
8.34 in
September 8, 2004

Climate change signal in Hartsville

33.9%

of Hartsville's all-time daily heat records were set in the last decade (124 of 366 records since 2015).

25.4%

of all-time daily cold records were set in the last decade (93 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
65
66
2000s
125
148
2010s
116
106
2020s
60
46

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 1994, the latest in 2026. Period of observation: 1994-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 82.9°F — Jan 31, 2002 8.1°F — Jan 7, 2018 3.17 in — Jan 3, 2022
February 84.9°F — Feb 25, 2022 9.0°F — Feb 2, 2026 4.10 in — Feb 1, 2026
March 91.0°F — Mar 23, 2026 18.0°F — Mar 1, 2002 4.42 in — Mar 17, 2022
April 96.1°F — Apr 22, 2002 25.0°F — Apr 8, 2007 2.21 in — Apr 6, 2022
May 100.0°F — May 20, 1996 37.9°F — May 1, 2008 4.25 in — May 28, 2011
June 106.0°F — Jun 30, 2012 46.0°F — Jun 25, 2008 3.37 in — Jun 6, 1995
July 104.0°F — Jul 1, 2012 55.9°F — Jul 3, 2008 5.31 in — Jul 2, 2003
August 108.0°F — Aug 2, 1999 55.0°F — Aug 7, 2004 5.11 in — Aug 20, 2010
September 99.0°F — Sep 3, 2014 43.0°F — Sep 23, 1999 8.34 in — Sep 8, 2004
October 100.0°F — Oct 4, 2019 28.9°F — Oct 27, 2013 5.24 in — Oct 3, 2015
November 86.0°F — Nov 1, 2019 16.0°F — Nov 19, 2014 3.60 in — Nov 13, 2018
December 82.9°F — Dec 9, 1998 12.9°F — Dec 24, 2022 5.50 in — Dec 23, 1994

Click a month to see every daily record for that month in Hartsville.