All-time weather records — Keosauqua, IA

Record high
115.0°F
July 15, 1936
Record low
-36.0°F
January 22, 1930
Wettest day
7.15 in
September 13, 1961

Climate change signal in Keosauqua

7.4%

of Keosauqua's all-time daily heat records were set in the last decade (27 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
11
14
1900s
18
43
1910s
39
70
1920s
12
51
1930s
92
27
1940s
21
11
1950s
28
24
1960s
15
15
1970s
12
30
1980s
29
36
1990s
22
17
2000s
26
1
2010s
27
24
2020s
14
3

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 70.0°F — Jan 23, 1909 -36.0°F — Jan 22, 1930 1.86 in — Jan 5, 1955
February 78.1°F — Feb 24, 1930 -29.0°F — Feb 3, 1996 3.00 in — Feb 9, 2001
March 90.0°F — Mar 22, 2026 -17.0°F — Mar 3, 2014 3.00 in — Mar 7, 1935
April 91.9°F — Apr 11, 1930 7.0°F — Apr 5, 1920 4.20 in — Apr 21, 1973
May 102.9°F — May 31, 1934 24.1°F — May 4, 1907 5.66 in — May 23, 1944
June 107.1°F — Jun 29, 1934 36.0°F — Jun 12, 1903 4.91 in — Jun 25, 2021
July 115.0°F — Jul 15, 1936 43.0°F — Jul 26, 1911 5.86 in — Jul 21, 1967
August 115.0°F — Aug 9, 1934 36.0°F — Aug 28, 1986 5.30 in — Aug 24, 2007
September 102.0°F — Sep 1, 1913 23.0°F — Sep 29, 1984 7.15 in — Sep 13, 1961
October 95.0°F — Oct 2, 1953 1.0°F — Oct 30, 1925 3.49 in — Oct 5, 1954
November 82.9°F — Nov 1, 1938 -6.0°F — Nov 8, 1991 2.76 in — Nov 1, 1984
December 73.9°F — Dec 16, 2021 -29.9°F — Dec 28, 1924 2.76 in — Dec 15, 1971

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