All-time weather records — Whitewater, WI

Record high
102.0°F
July 6, 2012
Record low
-36.9°F
January 30, 1951
Wettest day
5.32 in
May 13, 2014

Climate change signal in Whitewater

13.7%

of Whitewater's all-time daily heat records were set in the last decade (50 of 366 records since 2015).

5.5%

of all-time daily cold records were set in the last decade (20 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
2
·
1950s
73
54
1960s
35
77
1970s
47
43
1980s
56
66
1990s
30
60
2000s
40
33
2010s
52
25
2020s
31
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 1949, the latest in 2026. Period of observation: 1941-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 60.1°F — Jan 25, 1950 -36.9°F — Jan 30, 1951 2.00 in — Jan 2, 1942
February 71.1°F — Feb 28, 2024 -27.0°F — Feb 3, 1996 1.69 in — Feb 9, 2001
March 82.9°F — Mar 22, 2012 -20.0°F — Mar 1, 1962 2.15 in — Mar 25, 2009
April 90.0°F — Apr 22, 1980 0.0°F — Apr 7, 1982 2.86 in — Apr 23, 1999
May 95.0°F — May 28, 2018 17.1°F — May 9, 1966 5.32 in — May 13, 2014
June 100.0°F — Jun 19, 1953 26.1°F — Jun 7, 1998 4.12 in — Jun 13, 1950
July 102.0°F — Jul 6, 2012 39.9°F — Jul 1, 1965 4.10 in — Jul 22, 1982
August 100.9°F — Aug 31, 1953 30.9°F — Aug 22, 1997 4.91 in — Aug 11, 2025
September 100.0°F — Sep 1, 1953 26.1°F — Sep 27, 1991 4.12 in — Sep 9, 1985
October 89.1°F — Oct 1, 1971 12.9°F — Oct 30, 1988 4.00 in — Oct 23, 1959
November 78.1°F — Nov 1, 1950 -9.9°F — Nov 25, 1950 3.40 in — Nov 6, 2005
December 66.0°F — Dec 4, 2012 -25.1°F — Dec 25, 2000 1.90 in — Dec 15, 1971

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