All-time weather records — DeWitt, MI

Record high
102.9°F
July 6, 2012
Record low
-29.0°F
January 4, 1981
Wettest day
4.95 in
June 11, 1986

Climate change signal in DeWitt

19.1%

of DeWitt's all-time daily heat records were set in the last decade (70 of 366 records since 2015).

4.9%

of all-time daily cold records were set in the last decade (18 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
19
2
1950s
33
22
1960s
58
91
1970s
44
88
1980s
47
46
1990s
40
61
2000s
31
29
2010s
56
22
2020s
38
5

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 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.0°F — Jan 24, 1967 -29.0°F — Jan 4, 1981 2.38 in — Jan 11, 2020
February 73.0°F — Feb 27, 2024 -25.1°F — Feb 10, 1994 2.29 in — Feb 20, 2018
March 86.0°F — Mar 21, 2012 -15.0°F — Mar 2, 1978 2.06 in — Mar 19, 1948
April 86.0°F — Apr 16, 2002 -2.0°F — Apr 7, 1982 2.53 in — Apr 18, 1975
May 93.9°F — May 21, 1977 19.0°F — May 10, 1966 3.22 in — May 18, 2000
June 99.0°F — Jun 25, 1988 30.0°F — Jun 1, 1966 4.95 in — Jun 11, 1986
July 102.9°F — Jul 6, 2012 37.0°F — Jul 5, 1972 2.95 in — Jul 12, 2023
August 100.0°F — Aug 1, 1988 35.1°F — Aug 30, 1976 3.77 in — Aug 10, 2015
September 97.0°F — Sep 3, 1973 21.9°F — Sep 28, 1991 3.43 in — Sep 30, 1981
October 89.1°F — Oct 3, 1953 15.1°F — Oct 30, 1966 2.89 in — Oct 14, 2017
November 79.0°F — Nov 1, 1950 -5.1°F — Nov 26, 1949 2.16 in — Nov 5, 1990
December 69.1°F — Dec 5, 2001 -18.0°F — Dec 3, 2002 1.52 in — Dec 28, 2025

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