All-time weather records — Isle of Palms, SC

Record high
105.1°F
June 26, 1952
Record low
9.0°F
January 21, 1985
Wettest day
9.83 in
October 11, 1990

Climate change signal in Isle of Palms

17.2%

of Isle of Palms's all-time daily heat records were set in the last decade (63 of 366 records since 2015).

5.5%

of all-time daily cold records were set in the last decade (20 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 #
1950s
41
20
1960s
22
51
1970s
52
91
1980s
44
59
1990s
49
38
2000s
55
82
2010s
95
15
2020s
8
10

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 1952, the latest in 2025. Period of observation: 1951-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 78.1°F — Jan 12, 1974 9.0°F — Jan 21, 1985 4.10 in — Jan 30, 2010
February 84.9°F — Feb 18, 1989 12.0°F — Feb 12, 1973 6.04 in — Feb 17, 1998
March 90.0°F — Mar 10, 1974 18.0°F — Mar 15, 1998 4.00 in — Mar 23, 2005
April 93.0°F — Apr 30, 2002 15.1°F — Apr 8, 2009 4.65 in — Apr 9, 1984
May 99.0°F — May 26, 1953 37.0°F — May 30, 1971 6.50 in — May 24, 1976
June 105.1°F — Jun 26, 1952 48.9°F — Jun 6, 2006 5.22 in — Jun 6, 1997
July 100.9°F — Jul 6, 1990 57.0°F — Jul 1, 1999 6.05 in — Jul 20, 1953
August 102.9°F — Aug 2, 1999 55.0°F — Aug 31, 2010 6.53 in — Aug 22, 2025
September 99.0°F — Sep 10, 2010 46.0°F — Sep 22, 2008 4.70 in — Sep 26, 2002
October 93.9°F — Oct 4, 1986 19.9°F — Oct 14, 2000 9.83 in — Oct 11, 1990
November 89.1°F — Nov 1, 1989 21.9°F — Nov 25, 1970 7.57 in — Nov 1, 1969
December 84.0°F — Dec 10, 1987 10.9°F — Dec 20, 2000 3.90 in — Dec 3, 1971

Click a month to see every daily record for that month in Isle of Palms.