All-time weather records — Rockdale, WI

Record high
102.9°F
July 6, 2012
Record low
-38.9°F
February 3, 1996
Wettest day
4.50 in
September 8, 1941

Climate change signal in Rockdale

17.2%

of Rockdale's all-time daily heat records were set in the last decade (63 of 366 records since 2015).

4.1%

of all-time daily cold records were set in the last decade (15 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
25
32
1950s
58
61
1960s
32
74
1970s
32
58
1980s
44
67
1990s
30
33
2000s
45
14
2010s
60
25
2020s
40
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 1941, the latest in 2026. Period of observation: 1941-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.9°F — Jan 5, 1997 -33.0°F — Jan 30, 1951 1.70 in — Jan 2, 1942
February 72.0°F — Feb 23, 2017 -38.9°F — Feb 3, 1996 1.65 in — Feb 9, 2001
March 84.0°F — Mar 22, 2012 -20.9°F — Mar 1, 1962 2.41 in — Mar 25, 2009
April 90.0°F — Apr 16, 2002 -4.0°F — Apr 6, 1979 2.70 in — Apr 3, 1982
May 96.1°F — May 28, 2012 25.0°F — May 9, 1966 3.59 in — May 22, 2004
June 100.9°F — Jun 21, 1988 33.1°F — Jun 4, 1945 3.97 in — Jun 10, 2016
July 102.9°F — Jul 6, 2012 39.0°F — Jul 6, 1965 4.39 in — Jul 23, 2010
August 102.0°F — Aug 2, 1988 37.0°F — Aug 28, 1986 3.45 in — Aug 19, 2007
September 98.1°F — Sep 1, 1953 28.0°F — Sep 22, 1974 4.50 in — Sep 8, 1941
October 88.0°F — Oct 1, 1971 10.9°F — Oct 30, 1988 3.06 in — Oct 2, 2019
November 78.1°F — Nov 9, 1999 -14.1°F — Nov 30, 1947 2.67 in — Nov 1, 1984
December 66.9°F — Dec 6, 2001 -29.0°F — Dec 25, 1983 2.20 in — Dec 27, 1942

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