All-time weather records — Iowa Falls, IA

Record high
111.0°F
July 14, 1936
Record low
-34.1°F
January 12, 1912
Wettest day
6.25 in
July 31, 1964

Climate change signal in Iowa Falls

11.7%

of Iowa Falls's all-time daily heat records were set in the last decade (43 of 366 records since 2015).

1.9%

of all-time daily cold records were set in the last decade (7 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
18
73
1900s
3
36
1910s
20
63
1920s
28
30
1930s
92
26
1940s
29
14
1950s
25
26
1960s
16
33
1970s
6
19
1980s
24
16
1990s
25
13
2000s
26
5
2010s
24
9
2020s
30
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 1894, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 27, 2002 -34.1°F — Jan 12, 1912 1.95 in — Jan 4, 1971
February 75.9°F — Feb 27, 2024 -32.1°F — Feb 13, 1905 2.28 in — Feb 22, 1922
March 88.0°F — Mar 22, 2026 -31.0°F — Mar 1, 1962 1.85 in — Mar 6, 1946
April 97.0°F — Apr 22, 1980 3.0°F — Apr 7, 1911 3.80 in — Apr 25, 2008
May 107.1°F — May 31, 1934 18.0°F — May 4, 1907 3.42 in — May 27, 2013
June 107.1°F — Jun 27, 1934 34.0°F — Jun 12, 1903 5.62 in — Jun 2, 1942
July 111.0°F — Jul 14, 1936 5.0°F — Jul 3, 1986 6.25 in — Jul 31, 1964
August 108.0°F — Aug 18, 1936 30.9°F — Aug 30, 1915 5.23 in — Aug 19, 1924
September 100.9°F — Sep 6, 1939 19.0°F — Sep 30, 1899 4.15 in — Sep 21, 1950
October 95.0°F — Oct 5, 1963 -5.1°F — Oct 30, 1925 2.31 in — Oct 6, 1914
November 79.0°F — Nov 1, 1938 -13.0°F — Nov 26, 1977 2.45 in — Nov 23, 1931
December 70.0°F — Dec 16, 2021 -31.0°F — Dec 10, 1919 2.11 in — Dec 14, 2015

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