All-time weather records — Ada, OH

Record high
105.1°F
June 28, 2012
Record low
-14.1°F
December 24, 2004
Wettest day
4.79 in
August 30, 2005

Climate change signal in Ada

38.5%

of Ada's all-time daily heat records were set in the last decade (141 of 366 records since 2015).

29.8%

of all-time daily cold records were set in the last decade (109 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
32
34
2000s
103
161
2010s
137
115
2020s
94
56

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 1998, the latest in 2026. Period of observation: 1998-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 7, 2008 -13.9°F — Jan 16, 2009 2.31 in — Jan 3, 2005
February 73.0°F — Feb 25, 2000 -9.8°F — Feb 11, 2014 2.32 in — Feb 28, 2011
March 87.1°F — Mar 21, 2012 0.1°F — Mar 3, 2014 2.61 in — Mar 14, 2007
April 86.0°F — Apr 25, 2009 20.1°F — Apr 8, 2018 2.44 in — Apr 10, 2013
May 95.0°F — May 28, 2012 28.9°F — May 4, 2005 2.75 in — May 9, 2021
June 105.1°F — Jun 28, 2012 37.9°F — Jun 6, 1998 2.53 in — Jun 15, 2015
July 102.9°F — Jul 6, 2012 46.0°F — Jul 2, 2007 3.53 in — Jul 17, 2022
August 96.1°F — Aug 30, 2024 42.1°F — Aug 31, 2009 4.79 in — Aug 30, 2005
September 99.0°F — Sep 10, 2013 30.9°F — Sep 22, 1999 2.78 in — Sep 20, 2013
October 90.0°F — Oct 1, 2019 24.3°F — Oct 18, 2009 2.84 in — Oct 19, 2011
November 79.0°F — Nov 1, 2016 1.2°F — Nov 13, 2019 2.27 in — Nov 18, 2017
December 70.0°F — Dec 6, 1998 -14.1°F — Dec 24, 2004 2.57 in — Dec 21, 2013

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