All-time weather records — Walcott, IA

Record high
100.0°F
July 7, 2012
Record low
-27.8°F
January 31, 2019
Wettest day
3.82 in
July 6, 2015

Climate change signal in Walcott

40.2%

of Walcott's all-time daily heat records were set in the last decade (147 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
32
55
2000s
117
131
2010s
120
123
2020s
97
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 1996, the latest in 2026. Period of observation: 1996-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 63.0°F — Jan 27, 2002 -27.8°F — Jan 31, 2019 1.50 in — Jan 12, 2024
February 77.0°F — Feb 27, 2024 -22.9°F — Feb 11, 2014 1.56 in — Feb 25, 2000
March 86.0°F — Mar 21, 2026 -12.8°F — Mar 3, 2014 1.38 in — Mar 4, 2004
April 88.0°F — Apr 18, 2002 14.2°F — Apr 7, 2018 2.51 in — Apr 20, 2000
May 97.0°F — May 12, 2022 25.0°F — May 3, 2005 2.62 in — May 20, 2001
June 96.1°F — Jun 14, 2022 0.0°F — Jun 13, 2000 3.31 in — Jun 4, 2002
July 100.0°F — Jul 7, 2012 46.0°F — Jul 10, 1996 3.82 in — Jul 6, 2015
August 100.0°F — Aug 24, 2023 42.1°F — Aug 13, 2004 3.36 in — Aug 11, 2016
September 97.0°F — Sep 9, 2013 30.9°F — Sep 29, 2003 3.40 in — Sep 20, 2017
October 93.0°F — Oct 3, 2006 19.9°F — Oct 27, 1997 2.76 in — Oct 17, 1998
November 79.0°F — Nov 1, 2000 -5.8°F — Nov 12, 2019 2.17 in — Nov 17, 2015
December 73.0°F — Dec 15, 2021 -18.0°F — Dec 25, 2000 1.42 in — Dec 29, 2020

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