All-time weather records — Trempealeau, WI

Record high
109.0°F
July 9, 1937
Record low
-44.0°F
January 30, 1951
Wettest day
6.01 in
September 21, 1980

Climate change signal in Trempealeau

14.8%

of Trempealeau's all-time daily heat records were set in the last decade (54 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 #
1930s
75
10
1940s
37
35
1950s
25
60
1960s
30
56
1970s
19
70
1980s
38
64
1990s
31
41
2000s
38
14
2010s
36
15
2020s
37
1

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 1937, the latest in 2026. Period of observation: 1936-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.9°F — Jan 25, 1944 -44.0°F — Jan 30, 1951 3.00 in — Jan 22, 2007
February 62.1°F — Feb 17, 1981 -41.1°F — Feb 3, 1996 1.52 in — Feb 27, 1998
March 82.9°F — Mar 29, 1986 -32.1°F — Mar 1, 1962 2.10 in — Mar 23, 1966
April 93.0°F — Apr 21, 1980 8.1°F — Apr 4, 1995 2.60 in — Apr 24, 1990
May 99.0°F — May 20, 1939 24.1°F — May 10, 1966 3.75 in — May 18, 2000
June 102.9°F — Jun 24, 1938 35.1°F — Jun 4, 1945 4.26 in — Jun 21, 1968
July 109.0°F — Jul 9, 1937 43.0°F — Jul 7, 1984 6.00 in — Jul 20, 2017
August 108.0°F — Aug 17, 1937 39.9°F — Aug 14, 1964 3.79 in — Aug 29, 1960
September 102.9°F — Sep 2, 1937 23.0°F — Sep 29, 1949 6.01 in — Sep 21, 1980
October 91.0°F — Oct 2, 2023 12.9°F — Oct 30, 1988 3.14 in — Oct 5, 2013
November 75.9°F — Nov 3, 2022 -9.0°F — Nov 26, 1977 2.31 in — Nov 9, 1975
December 64.9°F — Dec 16, 2021 -33.0°F — Dec 27, 1950 1.34 in — Dec 14, 2015

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