All-time weather records — Charleston, TN

Record high
105.1°F
June 30, 2012
Record low
-16.1°F
January 21, 1985
Wettest day
11.60 in
September 5, 2011

Climate change signal in Charleston

19.4%

of Charleston's all-time daily heat records were set in the last decade (71 of 366 records since 2015).

4.1%

of all-time daily cold records were set in the last decade (15 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
31
21
1960s
68
135
1970s
30
65
1980s
64
49
1990s
38
30
2000s
33
24
2010s
82
34
2020s
20
8

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 1955, the latest in 2026. Period of observation: 1955-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.9°F — Jan 1, 2022 -16.1°F — Jan 21, 1985 3.86 in — Jan 6, 2009
February 80.1°F — Feb 22, 2018 -2.0°F — Feb 5, 1996 3.50 in — Feb 6, 2004
March 86.0°F — Mar 20, 1982 0.0°F — Mar 15, 1993 6.76 in — Mar 27, 1994
April 91.0°F — Apr 27, 1986 10.0°F — Apr 6, 2004 4.30 in — Apr 5, 1983
May 95.0°F — May 19, 1962 30.0°F — May 2, 1963 4.54 in — May 6, 2003
June 105.1°F — Jun 30, 2012 37.0°F — Jun 1, 1966 4.76 in — Jun 9, 1996
July 105.1°F — Jul 1, 2012 48.9°F — Jul 1, 2013 5.10 in — Jul 21, 1990
August 104.0°F — Aug 21, 1983 46.0°F — Aug 5, 1995 3.80 in — Aug 1, 2012
September 100.0°F — Sep 2, 2011 30.0°F — Sep 30, 1967 11.60 in — Sep 5, 2011
October 97.0°F — Oct 2, 2019 21.0°F — Oct 27, 1961 3.28 in — Oct 4, 1964
November 86.0°F — Nov 1, 2016 9.0°F — Nov 30, 1976 3.50 in — Nov 10, 1979
December 75.9°F — Dec 3, 1982 -4.0°F — Dec 13, 1962 3.95 in — Dec 1, 1991

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