All-time weather records — Hills, IA

Record high
109.0°F
July 14, 1936
Record low
-32.1°F
January 31, 2019
Wettest day
6.91 in
July 14, 1962

Climate change signal in Hills

10.4%

of Hills's all-time daily heat records were set in the last decade (38 of 366 records since 2015).

6.6%

of all-time daily cold records were set in the last decade (24 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
19
35
1900s
28
46
1910s
23
66
1920s
20
52
1930s
61
23
1940s
14
15
1950s
24
33
1960s
13
28
1970s
11
9
1980s
42
8
1990s
20
5
2000s
29
12
2010s
37
26
2020s
25
8

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 78.1°F — Jan 1, 1905 -32.1°F — Jan 31, 2019 2.10 in — Jan 12, 1960
February 77.0°F — Feb 28, 2024 -32.1°F — Feb 13, 1905 1.92 in — Feb 17, 1911
March 90.0°F — Mar 22, 2026 -17.0°F — Mar 1, 1962 2.74 in — Mar 8, 2009
April 93.0°F — Apr 10, 1930 10.0°F — Apr 6, 1982 4.12 in — Apr 24, 1965
May 105.1°F — May 31, 1934 3.9°F — May 1, 1990 5.26 in — May 10, 1996
June 105.1°F — Jun 28, 1934 37.0°F — Jun 4, 1945 6.02 in — Jun 22, 2007
July 109.0°F — Jul 14, 1936 39.9°F — Jul 16, 1906 6.91 in — Jul 14, 1962
August 108.0°F — Aug 18, 1936 5.0°F — Aug 2, 1908 4.32 in — Aug 2, 1921
September 100.9°F — Sep 5, 1899 19.9°F — Sep 30, 1899 4.80 in — Sep 26, 1930
October 93.9°F — Oct 3, 2006 3.9°F — Oct 30, 1925 3.20 in — Oct 6, 2018
November 81.0°F — Nov 1, 1933 -6.0°F — Nov 26, 1898 4.68 in — Nov 17, 1952
December 73.9°F — Dec 16, 2021 -27.0°F — Dec 28, 1924 2.86 in — Dec 15, 1971

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