All-time weather records — South Charleston, OH

Record high
109.0°F
July 9, 1936
Record low
-99.0°F
September 6, 2012
Wettest day
4.76 in
September 14, 1979

Climate change signal in South Charleston

8.5%

of South Charleston's all-time daily heat records were set in the last decade (31 of 366 records since 2015).

3%

of all-time daily cold records were set in the last decade (11 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 #
1910s
6
3
1920s
34
33
1930s
84
29
1940s
49
37
1950s
36
33
1960s
24
67
1970s
25
63
1980s
41
39
1990s
18
30
2000s
13
7
2010s
13
25
2020s
23
·

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 1918, the latest in 2026. Period of observation: 1918-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 72.0°F — Jan 25, 1950 -24.0°F — Jan 19, 1994 3.47 in — Jan 21, 1959
February 73.9°F — Feb 21, 2018 -18.9°F — Feb 3, 1985 2.18 in — Feb 23, 1975
March 84.9°F — Mar 23, 2026 -14.1°F — Mar 9, 1984 3.56 in — Mar 9, 1964
April 89.1°F — Apr 30, 1942 12.0°F — Apr 1, 1923 2.44 in — Apr 30, 2017
May 93.0°F — May 18, 1962 3.9°F — May 31, 1996 2.46 in — May 25, 1947
June 102.0°F — Jun 25, 1988 35.1°F — Jun 10, 1977 3.92 in — Jun 27, 1932
July 109.0°F — Jul 9, 1936 42.1°F — Jul 6, 1972 3.86 in — Jul 11, 2017
August 102.0°F — Aug 19, 1936 37.0°F — Aug 29, 1965 4.25 in — Aug 6, 1995
September 102.0°F — Sep 2, 1953 -99.0°F — Sep 6, 2012 4.76 in — Sep 14, 1979
October 100.0°F — Oct 2, 1982 15.1°F — Oct 29, 1925 4.25 in — Oct 8, 2025
November 80.1°F — Nov 1, 1950 -0.9°F — Nov 27, 1930 3.43 in — Nov 6, 2017
December 73.9°F — Dec 3, 1982 -18.0°F — Dec 22, 1989 2.71 in — Dec 22, 2013

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