All-time weather records — Plymouth, WI

Record high
107.1°F
July 14, 1936
Record low
-44.0°F
June 17, 1928
Wettest day
6.12 in
September 11, 1986

Climate change signal in Plymouth

12.6%

of Plymouth's all-time daily heat records were set in the last decade (46 of 366 records since 2015).

4.4%

of all-time daily cold records were set in the last decade (16 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 #
1910s
26
37
1920s
19
60
1930s
61
21
1940s
33
24
1950s
24
28
1960s
14
53
1970s
24
54
1980s
39
31
1990s
30
25
2000s
37
12
2010s
34
19
2020s
25
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 1910, the latest in 2026. Period of observation: 1910-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 60.1°F — Jan 26, 1944 -29.0°F — Jan 10, 1982 1.97 in — Jan 24, 1938
February 71.1°F — Feb 28, 2024 -27.0°F — Feb 3, 1996 2.62 in — Feb 22, 1922
March 84.0°F — Mar 22, 2012 -18.0°F — Mar 1, 1962 3.16 in — Mar 31, 1998
April 89.1°F — Apr 22, 1980 8.1°F — Apr 3, 1954 2.80 in — Apr 24, 1955
May 93.9°F — May 28, 2018 21.0°F — May 9, 1966 4.94 in — May 30, 1989
June 100.9°F — Jun 25, 2005 -44.0°F — Jun 17, 1928 4.15 in — Jun 8, 2008
July 107.1°F — Jul 14, 1936 39.0°F — Jul 3, 1968 3.74 in — Jul 25, 1985
August 100.9°F — Aug 6, 1918 36.0°F — Aug 30, 1915 5.21 in — Aug 6, 1998
September 98.1°F — Sep 2, 1953 25.0°F — Sep 26, 1926 6.12 in — Sep 11, 1986
October 88.0°F — Oct 1, 1976 6.1°F — Oct 30, 1925 3.49 in — Oct 2, 2019
November 75.0°F — Nov 1, 1944 -7.1°F — Nov 29, 1976 3.97 in — Nov 4, 2003
December 66.9°F — Dec 6, 2001 -20.0°F — Dec 19, 1983 4.00 in — Dec 21, 2000

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