All-time weather records — Onekama, MI

Record high
100.0°F
August 5, 1947
Record low
-38.0°F
February 11, 1899
Wettest day
80.16 in
June 2, 1950

Climate change signal in Onekama

9.8%

of Onekama's all-time daily heat records were set in the last decade (36 of 366 records since 2015).

2.5%

of all-time daily cold records were set in the last decade (9 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 #
1880s
3
6
1890s
15
45
1900s
8
27
1910s
27
29
1920s
6
20
1930s
54
10
1940s
48
27
1950s
46
37
1960s
9
20
1970s
15
20
1980s
30
39
1990s
15
54
2000s
33
14
2010s
36
14
2020s
21
4

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 1889, the latest in 2026. Period of observation: 1888-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 59.0°F — Jan 27, 1916 -16.1°F — Jan 12, 1912 2.60 in — Jan 5, 1982
February 64.9°F — Feb 27, 2024 -38.0°F — Feb 11, 1899 2.80 in — Feb 14, 1911
March 86.0°F — Mar 20, 1987 -20.9°F — Mar 2, 1962 2.26 in — Mar 31, 1998
April 86.0°F — Apr 29, 1970 1.9°F — Apr 23, 1984 3.47 in — Apr 13, 2026
May 98.1°F — May 18, 1918 21.0°F — May 2, 1950 3.05 in — May 3, 2012
June 99.0°F — Jun 1, 1934 23.0°F — Jun 7, 1982 80.16 in — Jun 2, 1950
July 99.0°F — Jul 5, 1911 33.1°F — Jul 21, 1992 5.07 in — Jul 20, 2019
August 100.0°F — Aug 5, 1947 30.9°F — Aug 29, 1992 5.17 in — Aug 26, 2006
September 97.0°F — Sep 2, 1953 23.0°F — Sep 23, 1992 3.03 in — Sep 21, 1947
October 88.0°F — Oct 16, 1947 15.1°F — Oct 31, 1906 2.78 in — Oct 3, 2014
November 78.1°F — Nov 19, 1930 -8.0°F — Nov 25, 1950 2.66 in — Nov 6, 2005
December 64.0°F — Dec 6, 2001 -23.1°F — Dec 23, 1945 1.90 in — Dec 10, 1911

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