All-time weather records — Hammond, WI

Record high
100.0°F
July 30, 1975
Record low
-33.0°F
January 31, 2019
Wettest day
8.22 in
June 29, 2020

Climate change signal in Hammond

46.7%

of Hammond's all-time daily heat records were set in the last decade (171 of 366 records since 2015).

49.5%

of all-time daily cold records were set in the last decade (181 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
11
·
1950s
·
·
1960s
·
·
1970s
64
30
1980s
·
·
1990s
·
·
2000s
2
22
2010s
212
223
2020s
77
91

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 1948, the latest in 2023. Period of observation: 1948-2025.

Records by month

Month Hottest day Coldest day Wettest day
January 52.0°F — Jan 11, 2012 -33.0°F — Jan 31, 2019 1.20 in — Jan 18, 1996
February 60.1°F — Feb 22, 2017 -33.0°F — Feb 7, 1972 1.55 in — Mar 1, 2012
March 78.1°F — Mar 18, 2012 -27.9°F — Mar 3, 2014 1.90 in — Mar 28, 1998
April 84.9°F — Apr 13, 2023 -2.9°F — Apr 5, 2018 2.30 in — Apr 27, 1975
May 93.9°F — May 29, 2018 21.9°F — May 9, 2020 2.75 in — May 22, 2024
June 99.0°F — Jun 8, 2011 37.9°F — Jun 13, 2019 8.22 in — Jun 29, 2020
July 100.0°F — Jul 30, 1975 42.1°F — Jul 13, 2009 3.45 in — Jul 6, 2015
August 96.1°F — Aug 1, 1975 7.0°F — Aug 17, 1972 5.11 in — Aug 31, 1977
September 93.9°F — Sep 4, 2023 27.0°F — Sep 23, 2012 3.99 in — Sep 12, 1980
October 84.0°F — Oct 6, 2011 10.0°F — Oct 27, 2020 2.85 in — Oct 15, 1966
November 73.0°F — Nov 3, 2022 -4.0°F — Nov 21, 2014 2.28 in — Nov 10, 1975
December 57.0°F — Dec 5, 2017 -23.1°F — Dec 30, 2013 1.26 in — Dec 12, 1965

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