All-time weather records — Hayward, WI

Record high
332.1°F
January 20, 1938
Record low
-52.1°F
February 16, 1936
Wettest day
5.50 in
July 1, 1958

Climate change signal in Hayward

22.1%

of Hayward's all-time daily heat records were set in the last decade (81 of 366 records since 2015).

2.7%

of all-time daily cold records were set in the last decade (10 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
36
57
1900s
25
51
1910s
52
84
1920s
17
24
1930s
32
42
1940s
8
29
1950s
·
·
1960s
·
5
1970s
1
5
1980s
·
·
1990s
26
3
2000s
62
48
2010s
50
14
2020s
57
4

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 332.1°F — Jan 20, 1938 -45.0°F — Jan 7, 1912 1.27 in — Jan 18, 1996
February 60.1°F — Feb 18, 2017 -52.1°F — Feb 16, 1936 1.40 in — Feb 28, 1948
March 79.0°F — Mar 19, 2012 -40.0°F — Mar 11, 1948 2.01 in — Mar 16, 2016
April 89.1°F — Apr 23, 1915 -6.0°F — Apr 16, 1904 2.85 in — Apr 18, 2004
May 93.9°F — May 29, 1934 10.9°F — May 4, 1907 2.57 in — May 21, 1953
June 106.0°F — Jun 1, 1934 24.1°F — Jun 9, 1937 4.00 in — Jun 14, 1956
July 108.0°F — Jul 12, 1936 32.0°F — Jul 24, 1913 5.50 in — Jul 1, 1958
August 100.0°F — Aug 1, 2006 28.9°F — Aug 21, 2004 4.55 in — Aug 2, 2011
September 96.1°F — Sep 2, 1898 15.1°F — Sep 28, 1893 4.16 in — Sep 15, 1994
October 91.9°F — Oct 8, 1910 1.0°F — Oct 25, 1933 5.00 in — Oct 5, 2005
November 75.0°F — Nov 6, 2020 -20.9°F — Nov 24, 1898 2.41 in — Nov 2, 2000
December 78.1°F — Dec 2, 1913 -42.0°F — Dec 31, 1946 1.52 in — Dec 28, 1982

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