All-time weather records — Spirit Lake, IA

Record high
109.0°F
July 26, 1894
Record low
-38.9°F
February 9, 1899
Wettest day
5.98 in
September 11, 1900

Climate change signal in Spirit Lake

24.3%

of Spirit Lake's all-time daily heat records were set in the last decade (89 of 366 records since 2015).

19.1%

of all-time daily cold records were set in the last decade (70 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 #
1890s
119
156
1900s
46
41
1940s
·
·
1950s
10
4
1990s
20
11
2000s
58
57
2010s
41
51
2020s
72
46

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 1893, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.0°F — Jan 26, 2002 -29.9°F — Jan 25, 1894 1.32 in — Jan 24, 2017
February 70.0°F — Feb 26, 1896 -38.9°F — Feb 9, 1899 1.43 in — Feb 28, 2012
March 86.0°F — Mar 22, 2026 -18.0°F — Mar 14, 1897 1.72 in — Mar 25, 2024
April 93.9°F — Apr 29, 2007 5.0°F — Apr 4, 2018 2.37 in — Apr 15, 2018
May 100.0°F — May 28, 2018 26.1°F — May 3, 1900 3.44 in — May 5, 2007
June 102.9°F — Jun 30, 1894 33.1°F — Jun 7, 1901 4.55 in — Jun 25, 1943
July 109.0°F — Jul 26, 1894 39.9°F — Jul 9, 1895 2.88 in — Jul 14, 2011
August 104.0°F — Aug 8, 1894 39.9°F — Aug 2, 1904 5.08 in — Aug 18, 2007
September 100.9°F — Sep 18, 1895 21.0°F — Sep 29, 1899 5.98 in — Sep 11, 1900
October 95.0°F — Oct 1, 1897 12.0°F — Oct 29, 1893 3.70 in — Oct 1, 2021
November 78.1°F — Nov 5, 2020 -17.0°F — Nov 22, 1898 2.75 in — Nov 26, 1896
December 64.9°F — Dec 1, 1998 -27.0°F — Dec 14, 1901 1.33 in — Dec 12, 2015

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