All-time weather records — Slater, IA

Record high
102.0°F
July 24, 2012
Record low
-33.0°F
January 16, 2009
Wettest day
90.00 in
June 29, 1982

Climate change signal in Slater

39.3%

of Slater's all-time daily heat records were set in the last decade (144 of 366 records since 2015).

30.3%

of all-time daily cold records were set in the last decade (111 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 #
1970s
1
·
1980s
1
·
1990s
51
68
2000s
114
130
2010s
99
105
2020s
100
63

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 1978, the latest in 2026. Period of observation: 1978-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 27, 2002 -33.0°F — Jan 16, 2009 1.11 in — Jan 9, 2026
February 75.9°F — Feb 27, 2024 -27.9°F — Feb 3, 1996 1.70 in — Feb 25, 2007
March 91.9°F — Mar 22, 2026 -14.1°F — Mar 3, 2014 2.30 in — Mar 8, 1990
April 89.1°F — Apr 2, 2003 12.0°F — Apr 4, 2018 2.96 in — Apr 27, 2009
May 97.0°F — May 29, 2018 25.0°F — May 3, 2005 6.64 in — May 23, 2004
June 100.0°F — Jun 18, 2021 42.1°F — Jun 1, 2001 90.00 in — Jun 29, 1982
July 102.0°F — Jul 24, 2012 46.9°F — Jul 10, 1996 4.91 in — Jul 9, 1993
August 100.0°F — Aug 31, 2013 44.1°F — Aug 15, 2004 5.03 in — Aug 9, 2010
September 99.0°F — Sep 10, 2013 28.9°F — Sep 30, 2003 4.54 in — Sep 23, 2016
October 95.0°F — Oct 3, 1997 15.1°F — Oct 26, 1997 2.79 in — Oct 15, 2007
November 81.0°F — Nov 14, 1999 -5.1°F — Nov 13, 2019 3.43 in — Nov 4, 2003
December 73.0°F — Dec 16, 2021 -18.9°F — Dec 24, 2013 2.83 in — Dec 14, 2015

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