All-time weather records — Mendon, MI

Record high
107.1°F
July 13, 1936
Record low
-23.1°F
January 20, 1994
Wettest day
5.05 in
September 14, 2008

Climate change signal in Mendon

7.4%

of Mendon's all-time daily heat records were set in the last decade (27 of 366 records since 2015).

3.3%

of all-time daily cold records were set in the last decade (12 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
37
11
1920s
15
13
1930s
70
35
1940s
52
51
1950s
34
53
1960s
18
55
1970s
15
48
1980s
33
33
1990s
24
32
2000s
24
14
2010s
32
19
2020s
12
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 1895, the latest in 2026. Period of observation: 1895-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 25, 1950 -23.1°F — Jan 20, 1994 2.69 in — Jan 12, 1960
February 73.9°F — Feb 26, 2000 -20.0°F — Feb 12, 1899 3.09 in — Feb 16, 1954
March 82.9°F — Mar 21, 2012 -11.0°F — Mar 1, 2014 2.29 in — Mar 19, 1948
April 88.0°F — Apr 16, 2002 7.0°F — Apr 7, 1982 3.22 in — Apr 24, 1950
May 97.0°F — May 8, 1896 23.0°F — May 9, 1947 3.78 in — May 31, 2015
June 104.0°F — Jun 1, 1934 34.0°F — Jun 3, 1929 4.35 in — Jun 1, 1989
July 107.1°F — Jul 13, 1936 41.0°F — Jul 6, 2001 4.08 in — Jul 23, 1992
August 100.0°F — Aug 2, 1988 35.1°F — Aug 30, 1976 5.04 in — Aug 16, 2016
September 102.9°F — Sep 10, 1897 25.0°F — Sep 29, 1942 5.05 in — Sep 14, 2008
October 98.1°F — Oct 3, 1895 12.9°F — Oct 26, 1962 3.19 in — Oct 4, 1986
November 81.0°F — Nov 1, 1950 -6.0°F — Nov 25, 1950 3.17 in — Nov 28, 1990
December 72.0°F — Dec 6, 2001 -15.0°F — Dec 22, 1989 3.08 in — Dec 19, 1895

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