All-time weather records — Ashtabula, OH

Record high
97.0°F
July 21, 2011
Record low
-28.8°F
February 20, 2015
Wettest day
3.38 in
August 30, 2005

Climate change signal in Ashtabula

36.9%

of Ashtabula's all-time daily heat records were set in the last decade (135 of 366 records since 2015).

31.4%

of all-time daily cold records were set in the last decade (115 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
16
25
2000s
168
152
2010s
109
132
2020s
73
57

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 72.0°F — Jan 13, 2005 -18.9°F — Jan 30, 2026 1.43 in — Jan 5, 2007
February 73.9°F — Feb 24, 2017 -28.8°F — Feb 20, 2015 1.96 in — Feb 28, 2011
March 81.0°F — Mar 22, 2012 -9.8°F — Mar 4, 2014 1.34 in — Mar 11, 2026
April 89.1°F — Apr 16, 2002 17.2°F — Apr 10, 2016 1.41 in — Apr 23, 2011
May 90.0°F — May 25, 2019 1.2°F — May 17, 2010 2.49 in — May 21, 2004
June 95.0°F — Jun 15, 2022 36.0°F — Jun 4, 2009 2.39 in — Jun 12, 2003
July 97.0°F — Jul 21, 2011 43.0°F — Jul 6, 2001 2.99 in — Jul 8, 2008
August 96.1°F — Aug 1, 2002 41.0°F — Aug 21, 2000 3.38 in — Aug 30, 2005
September 96.1°F — Sep 8, 2002 1.2°F — Sep 23, 2012 2.31 in — Sep 26, 2011
October 89.1°F — Oct 1, 2019 24.1°F — Oct 29, 2000 2.20 in — Oct 30, 2012
November 81.0°F — Nov 4, 2003 10.2°F — Nov 19, 2014 2.74 in — Nov 2, 1999
December 72.0°F — Dec 5, 2001 -2.0°F — Dec 27, 2004 1.39 in — Dec 21, 2013

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