All-time weather records — North Charleston, SC

Record high
105.1°F
August 1, 1999
Record low
6.1°F
January 21, 1985
Wettest day
11.50 in
October 3, 2015

Climate change signal in North Charleston

12%

of North Charleston's all-time daily heat records were set in the last decade (44 of 366 records since 2015).

2.5%

of all-time daily cold records were set in the last decade (9 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 #
1930s
13
27
1940s
49
66
1950s
53
48
1960s
32
78
1970s
38
54
1980s
55
43
1990s
37
18
2000s
25
18
2010s
45
9
2020s
19
5

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 1938, the latest in 2026. Period of observation: 1937-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 82.9°F — Jan 16, 1950 6.1°F — Jan 21, 1985 3.90 in — Jan 12, 1993
February 87.1°F — Feb 16, 1989 12.0°F — Feb 12, 1973 5.07 in — Feb 10, 1940
March 90.0°F — Mar 10, 1974 15.1°F — Mar 3, 1980 4.48 in — Mar 5, 1959
April 95.0°F — Apr 20, 2002 28.9°F — Apr 6, 1944 4.10 in — Apr 15, 1958
May 100.9°F — May 28, 2019 36.0°F — May 2, 1963 6.23 in — May 22, 1967
June 102.9°F — Jun 24, 1944 50.0°F — Jun 2, 1972 9.40 in — Jun 11, 1973
July 104.0°F — Jul 19, 1986 57.9°F — Jul 5, 1952 5.39 in — Jul 3, 1981
August 105.1°F — Aug 1, 1999 55.9°F — Aug 18, 1979 7.88 in — Aug 11, 1940
September 99.0°F — Sep 4, 1944 29.1°F — Sep 28, 2024 10.52 in — Sep 21, 1998
October 93.9°F — Oct 4, 2019 27.0°F — Oct 29, 1976 11.50 in — Oct 3, 2015
November 88.0°F — Nov 1, 1961 15.1°F — Nov 25, 1950 5.24 in — Nov 1, 1969
December 82.9°F — Dec 11, 1972 8.1°F — Dec 13, 1962 4.00 in — Dec 23, 1941

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