All-time weather records — Mount Pleasant, OH

Record high
100.0°F
July 17, 1988
Record low
-17.0°F
January 19, 1994
Wettest day
6.86 in
September 18, 2004

Climate change signal in Mount Pleasant

19.9%

of Mount Pleasant's all-time daily heat records were set in the last decade (73 of 366 records since 2015).

20.8%

of all-time daily cold records were set in the last decade (76 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 #
1980s
92
118
1990s
83
91
2000s
78
41
2010s
71
74
2020s
42
42

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 1982, the latest in 2026. Period of observation: 1981-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 71.1°F — Jan 2, 1985 -17.0°F — Jan 19, 1994 2.00 in — Jan 6, 2005
February 75.9°F — Feb 21, 2018 -9.0°F — Feb 1, 2026 2.56 in — Feb 16, 2018
March 84.0°F — Mar 23, 2026 0.0°F — Mar 6, 2015 1.73 in — Mar 24, 2023
April 89.1°F — Apr 28, 1990 19.0°F — Apr 6, 1995 2.24 in — Apr 16, 2018
May 91.0°F — May 28, 2012 30.0°F — May 9, 2020 2.41 in — May 31, 1985
June 96.1°F — Jun 30, 2012 42.1°F — Jun 1, 1990 2.45 in — Jun 13, 2013
July 100.0°F — Jul 17, 1988 45.0°F — Jul 1, 1988 3.40 in — Jul 19, 1996
August 98.1°F — Aug 18, 1988 43.0°F — Aug 29, 1986 3.21 in — Aug 7, 2000
September 93.9°F — Sep 5, 2018 37.0°F — Sep 23, 1995 6.86 in — Sep 18, 2004
October 90.0°F — Oct 2, 2019 25.0°F — Oct 31, 1988 1.66 in — Oct 30, 2012
November 78.1°F — Nov 2, 1982 12.9°F — Nov 14, 1986 3.15 in — Nov 5, 1985
December 73.9°F — Dec 3, 1982 -8.0°F — Dec 22, 1989 2.75 in — Dec 1, 2010

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