All-time weather records — Wiota, IA

Record high
117.0°F
July 25, 1936
Record low
-36.9°F
January 12, 1974
Wettest day
13.18 in
June 14, 1998

Climate change signal in Wiota

9.3%

of Wiota's all-time daily heat records were set in the last decade (34 of 366 records since 2015).

3.6%

of all-time daily cold records were set in the last decade (13 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
28
50
1900s
12
62
1910s
25
21
1920s
18
13
1930s
103
21
1940s
17
19
1950s
15
29
1960s
13
41
1970s
8
30
1980s
24
31
1990s
24
14
2000s
30
8
2010s
28
22
2020s
21
5

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 66.9°F — Jan 26, 2002 -36.9°F — Jan 12, 1974 1.25 in — Jan 27, 1944
February 78.1°F — Feb 27, 2024 -36.0°F — Feb 2, 1905 1.52 in — Feb 21, 1976
March 93.9°F — Mar 22, 2026 -32.1°F — Mar 1, 1962 2.18 in — Mar 1, 2007
April 93.9°F — Apr 10, 1930 3.9°F — Apr 3, 1975 2.72 in — Apr 5, 1999
May 105.1°F — May 30, 1934 17.1°F — May 2, 1908 4.53 in — May 6, 2007
June 106.0°F — Jun 25, 1937 10.0°F — Jun 29, 1919 13.18 in — Jun 14, 1998
July 117.0°F — Jul 25, 1936 16.0°F — Jul 1, 1917 5.35 in — Jul 21, 1948
August 111.0°F — Aug 5, 1918 33.1°F — Aug 30, 1893 5.83 in — Aug 30, 1922
September 104.0°F — Sep 5, 1913 17.1°F — Sep 29, 1899 6.52 in — Sep 8, 1989
October 96.1°F — Oct 6, 2024 1.0°F — Oct 30, 1925 4.38 in — Oct 14, 2007
November 82.9°F — Nov 13, 1999 -16.1°F — Nov 28, 1952 3.44 in — Nov 13, 1909
December 72.0°F — Dec 16, 2021 -33.0°F — Dec 19, 1983 2.47 in — Dec 14, 2015

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