All-time weather records — Brillion, WI

Record high
98.1°F
July 6, 2012
Record low
-26.0°F
January 26, 2019
Wettest day
6.11 in
May 14, 1996

Climate change signal in Brillion

40.7%

of Brillion's all-time daily heat records were set in the last decade (149 of 366 records since 2015).

28.4%

of all-time daily cold records were set in the last decade (104 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 #
1920s
·
·
1930s
·
·
1940s
·
·
1950s
·
·
1960s
·
·
1970s
·
·
1980s
·
·
1990s
32
33
2000s
117
148
2010s
130
136
2020s
87
49

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 1998, the latest in 2026. Period of observation: 1924-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 53.1°F — Jan 31, 2025 -26.0°F — Jan 26, 2019 1.20 in — Jan 25, 1938
February 69.1°F — Feb 28, 2024 -24.0°F — Feb 1, 2019 1.80 in — Feb 8, 1928
March 82.0°F — Mar 22, 2012 -16.1°F — Mar 1, 2014 2.09 in — Mar 30, 1998
April 84.9°F — Apr 15, 2002 12.0°F — Apr 8, 2018 2.52 in — Apr 13, 2014
May 95.0°F — May 28, 2018 24.1°F — May 12, 2020 6.11 in — May 14, 1996
June 96.1°F — Jun 30, 2018 35.1°F — Jun 1, 2025 4.78 in — Jun 22, 1990
July 98.1°F — Jul 6, 2012 41.0°F — Jul 29, 2007 3.70 in — Jul 15, 2021
August 97.0°F — Aug 7, 2001 36.0°F — Aug 20, 2004 4.13 in — Aug 29, 1975
September 93.0°F — Sep 4, 2023 28.0°F — Sep 15, 2007 3.60 in — Sep 10, 1986
October 88.0°F — Oct 4, 2025 19.9°F — Oct 23, 1999 5.10 in — Oct 23, 2020
November 75.0°F — Nov 10, 2020 1.0°F — Nov 28, 2014 2.20 in — Nov 1, 1985
December 64.9°F — Dec 5, 2001 -20.0°F — Dec 24, 2000 1.75 in — Dec 14, 2015

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