All-time weather records — Beaver Dam, WI

Record high
102.0°F
July 6, 2012
Record low
-36.0°F
January 15, 1963
Wettest day
5.80 in
July 20, 1983

Climate change signal in Beaver Dam

15%

of Beaver Dam's all-time daily heat records were set in the last decade (55 of 366 records since 2015).

7.7%

of all-time daily cold records were set in the last decade (28 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
15
1940s
·
·
1950s
51
55
1960s
38
103
1970s
42
71
1980s
48
40
1990s
33
29
2000s
49
17
2010s
48
27
2020s
38
9

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 59.0°F — Jan 11, 2002 -36.0°F — Jan 15, 1963 1.35 in — Jan 20, 1988
February 70.0°F — Feb 28, 2024 -29.9°F — Feb 2, 1959 1.64 in — Feb 22, 1981
March 81.0°F — Mar 22, 2012 -22.0°F — Mar 1, 1962 3.46 in — Mar 31, 1998
April 90.0°F — Apr 22, 1980 0.0°F — Apr 15, 1987 2.70 in — Apr 14, 2014
May 98.1°F — May 29, 1895 23.0°F — May 10, 1966 3.82 in — May 13, 1978
June 98.1°F — Jun 21, 1988 34.0°F — Jun 2, 1956 4.01 in — Jun 9, 2008
July 102.0°F — Jul 6, 2012 35.1°F — Jul 6, 1965 5.80 in — Jul 20, 1983
August 100.0°F — Aug 16, 1988 37.0°F — Aug 29, 1965 3.60 in — Aug 27, 2018
September 97.0°F — Sep 2, 1953 26.1°F — Sep 23, 1974 4.41 in — Sep 22, 1986
October 89.1°F — Oct 6, 1963 14.0°F — Oct 7, 2001 5.40 in — Oct 2, 2019
November 75.9°F — Nov 10, 2010 -11.9°F — Nov 30, 1958 3.85 in — Nov 4, 2003
December 64.9°F — Dec 6, 2001 -24.0°F — Dec 19, 1983 1.60 in — Dec 2, 2007

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