All-time weather records — Sheldon, IA

Record high
109.9°F
July 4, 1936
Record low
-41.1°F
May 29, 1954
Wettest day
7.53 in
June 7, 1953

Climate change signal in Sheldon

1.4%

of Sheldon's all-time daily heat records were set in the last decade (5 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
1
6
1900s
39
49
1910s
28
14
1920s
21
22
1930s
85
42
1940s
21
27
1950s
20
29
1960s
33
33
1970s
15
24
1980s
27
23
1990s
24
40
2000s
31
25
2010s
21
32
2020s
·
·

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 1899, the latest in 2018. Period of observation: 1899-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 69.1°F — Jan 9, 2002 -32.1°F — Jan 3, 1911 1.46 in — Jan 20, 1988
February 66.0°F — Feb 17, 1981 -35.0°F — Feb 2, 1905 1.70 in — Feb 17, 2007
March 86.0°F — Mar 23, 1910 -24.0°F — Mar 11, 1948 2.03 in — Mar 23, 1987
April 98.1°F — Apr 28, 1910 1.9°F — Apr 3, 1936 3.11 in — Apr 22, 1985
May 107.1°F — May 30, 1934 -41.1°F — May 29, 1954 3.29 in — May 25, 1937
June 104.0°F — Jun 4, 1911 30.9°F — Jun 12, 2005 7.53 in — Jun 7, 1953
July 109.9°F — Jul 4, 1936 41.0°F — Jul 4, 1967 6.40 in — Jul 15, 1900
August 107.1°F — Aug 3, 1930 33.1°F — Aug 20, 1950 5.59 in — Aug 23, 1973
September 104.0°F — Sep 3, 1925 15.1°F — Sep 29, 1899 5.70 in — Sep 11, 1900
October 93.9°F — Oct 4, 1905 -9.0°F — Oct 29, 1925 4.32 in — Oct 24, 2010
November 77.0°F — Nov 8, 1931 -20.0°F — Nov 14, 1959 1.94 in — Nov 20, 1930
December 66.0°F — Dec 2, 1998 -27.9°F — Dec 19, 2016 1.66 in — Dec 30, 1931

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