All-time weather records — Congress, OH

Record high
95.0°F
July 7, 2012
Record low
-22.0°F
January 31, 2026
Wettest day
3.11 in
July 31, 2009

Climate change signal in Congress

38.8%

of Congress's all-time daily heat records were set in the last decade (142 of 366 records since 2015).

32.8%

of all-time daily cold records were set in the last decade (120 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 #
1990s
51
49
2000s
105
131
2010s
127
127
2020s
83
59

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 1997, the latest in 2026. Period of observation: 1997-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 11, 2020 -22.0°F — Jan 31, 2026 1.55 in — Jan 12, 2017
February 73.9°F — Feb 20, 2018 -18.8°F — Feb 24, 2015 1.50 in — Feb 5, 2008
March 82.0°F — Mar 22, 2012 -8.9°F — Mar 6, 2015 1.51 in — Mar 7, 2022
April 86.0°F — Apr 25, 2009 17.2°F — Apr 2, 2021 2.35 in — Apr 3, 2018
May 93.0°F — May 27, 1998 28.2°F — May 8, 2020 2.28 in — May 1, 2007
June 93.9°F — Jun 11, 2016 37.0°F — Jun 2, 2003 2.00 in — Jun 27, 1998
July 95.0°F — Jul 7, 2012 46.0°F — Jul 2, 2001 3.11 in — Jul 31, 2009
August 93.9°F — Aug 1, 2002 41.0°F — Aug 30, 2025 3.00 in — Aug 25, 1998
September 93.0°F — Sep 10, 2013 32.0°F — Sep 29, 2000 2.01 in — Sep 9, 2018
October 90.0°F — Oct 8, 2007 19.9°F — Oct 9, 2003 2.28 in — Oct 19, 2011
November 78.1°F — Nov 2, 2016 8.2°F — Nov 29, 2013 2.74 in — Nov 18, 2017
December 69.1°F — Dec 5, 2001 -9.9°F — Dec 25, 2004 1.84 in — Dec 16, 2000

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