All-time weather records — Woolstock, IA

Record high
109.0°F
July 14, 1936
Record low
-34.1°F
February 15, 1930
Wettest day
90.00 in
March 16, 1925

Climate change signal in Woolstock

5.7%

of Woolstock's all-time daily heat records were set in the last decade (21 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
10
8
1900s
8
24
1910s
31
46
1920s
31
63
1930s
97
49
1940s
32
28
1950s
21
26
1960s
13
16
1970s
9
21
1980s
27
21
1990s
23
19
2000s
25
12
2010s
26
19
2020s
13
14

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 72.0°F — Jan 27, 2002 -33.0°F — Jan 22, 1930 1.20 in — Jan 4, 1906
February 75.9°F — Feb 27, 2024 -34.1°F — Feb 15, 1930 1.53 in — Feb 22, 1922
March 89.1°F — Mar 22, 2026 -29.0°F — Mar 1, 1962 90.00 in — Mar 16, 1925
April 97.0°F — Apr 22, 1980 3.9°F — Apr 6, 1982 2.35 in — Apr 25, 2007
May 107.1°F — May 30, 1934 17.1°F — May 4, 1907 3.12 in — May 19, 1944
June 107.1°F — Jun 27, 1934 33.1°F — Jun 3, 1946 4.97 in — Jun 17, 1932
July 109.0°F — Jul 14, 1936 39.0°F — Jul 16, 1911 6.27 in — Jul 7, 1955
August 109.0°F — Aug 18, 1936 34.0°F — Aug 29, 1946 5.20 in — Aug 21, 1998
September 102.9°F — Sep 5, 1913 19.9°F — Sep 28, 1942 4.57 in — Sep 30, 1925
October 96.1°F — Oct 5, 1963 -8.0°F — Oct 29, 1925 2.36 in — Oct 19, 1982
November 81.0°F — Nov 1, 1938 -16.1°F — Nov 26, 1977 3.00 in — Nov 23, 1931
December 69.1°F — Dec 16, 2021 -27.9°F — Dec 26, 1914 2.64 in — Dec 14, 2015

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