All-time weather records — Kelley, IA

Record high
100.9°F
June 17, 2021
Record low
-30.8°F
January 16, 2009
Wettest day
4.85 in
May 22, 2004

Climate change signal in Kelley

42.9%

of Kelley's all-time daily heat records were set in the last decade (157 of 366 records since 2015).

29.5%

of all-time daily cold records were set in the last decade (108 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
35
61
2000s
109
139
2010s
120
106
2020s
102
60

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 1996, the latest in 2026. Period of observation: 1996-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 26, 2002 -30.8°F — Jan 16, 2009 1.51 in — Jan 8, 2026
February 78.1°F — Feb 26, 2024 -21.8°F — Feb 5, 2015 1.19 in — Feb 27, 2023
March 91.9°F — Mar 21, 2026 -13.9°F — Mar 3, 2014 2.10 in — Mar 6, 2026
April 89.1°F — Apr 1, 2003 12.9°F — Apr 4, 2002 2.70 in — Apr 13, 2014
May 98.1°F — May 27, 2018 23.0°F — May 4, 2005 4.85 in — May 22, 2004
June 100.9°F — Jun 17, 2021 39.9°F — Jun 1, 2001 4.25 in — Jun 14, 2018
July 100.0°F — Jul 23, 2012 46.0°F — Jul 7, 1997 2.84 in — Jul 11, 2025
August 99.0°F — Aug 9, 2005 42.1°F — Aug 15, 2004 4.22 in — Aug 9, 2015
September 99.0°F — Sep 9, 2013 27.0°F — Sep 30, 2003 3.28 in — Sep 22, 2016
October 95.0°F — Oct 3, 1997 10.0°F — Oct 27, 1997 3.19 in — Oct 24, 2021
November 82.0°F — Nov 8, 1999 -6.9°F — Nov 12, 2019 2.96 in — Nov 3, 2003
December 73.9°F — Dec 15, 2021 -19.8°F — Dec 24, 2013 2.31 in — Dec 13, 2015

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