All-time weather records — Pleasant Prairie, WI

Record high
105.1°F
July 4, 2012
Record low
-40.0°F
December 21, 1945
Wettest day
5.66 in
October 21, 1965

Climate change signal in Pleasant Prairie

14.2%

of Pleasant Prairie's all-time daily heat records were set in the last decade (52 of 366 records since 2015).

3.8%

of all-time daily cold records were set in the last decade (14 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 #
1940s
58
22
1950s
67
65
1960s
31
70
1970s
25
63
1980s
39
95
1990s
32
24
2000s
41
8
2010s
41
17
2020s
32
2

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 1944, the latest in 2025. Period of observation: 1944-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.9°F — Jan 7, 2008 -31.0°F — Jan 16, 1982 2.59 in — Jan 12, 1960
February 73.9°F — Feb 27, 2024 -23.1°F — Feb 3, 1996 1.61 in — Feb 24, 2001
March 82.9°F — Mar 29, 1986 -9.0°F — Mar 1, 1962 2.53 in — Mar 27, 1991
April 90.0°F — Apr 22, 1980 10.0°F — Apr 7, 1982 2.74 in — Apr 9, 2015
May 93.9°F — May 19, 1975 23.0°F — May 12, 2014 3.34 in — May 17, 2020
June 102.0°F — Jun 20, 1953 33.1°F — Jun 1, 1984 4.06 in — Jun 19, 2009
July 105.1°F — Jul 4, 2012 41.0°F — Jul 6, 1983 4.43 in — Jul 10, 2017
August 102.0°F — Aug 4, 1947 39.9°F — Aug 17, 1978 4.88 in — Aug 14, 1987
September 100.0°F — Sep 1, 1953 30.0°F — Sep 29, 1984 4.18 in — Sep 11, 2022
October 89.1°F — Oct 2, 1967 19.9°F — Oct 24, 1981 5.66 in — Oct 21, 1965
November 81.0°F — Nov 1, 1944 -5.1°F — Nov 29, 1976 2.39 in — Nov 13, 1951
December 70.0°F — Dec 5, 2001 -40.0°F — Dec 21, 1945 2.74 in — Dec 2, 1982

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