All-time weather records — Harrison, MI
Climate change signal in Harrison
of Harrison's all-time daily heat records were set in the last decade (48 of 366 records since 2015).
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 | # |
|---|---|---|---|---|
| 1890s | 18 | 39 | ||
| 1900s | 24 | 48 | ||
| 1910s | 19 | 18 | ||
| 1920s | 1 | 21 | ||
| 1930s | 42 | 34 | ||
| 1940s | 33 | 32 | ||
| 1950s | 27 | 25 | ||
| 1960s | 29 | 33 | ||
| 1970s | 28 | 35 | ||
| 1980s | 26 | 26 | ||
| 1990s | 33 | 22 | ||
| 2000s | 23 | 8 | ||
| 2010s | 35 | 19 | ||
| 2020s | 28 | 6 |
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 1894, the latest in 2026. Period of observation: 1892-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 62.1°F — Jan 26, 1944 | -27.9°F — Jan 13, 1912 | 3.20 in — Jan 2, 1897 |
| February | 73.0°F — Feb 28, 2024 | -38.9°F — Feb 20, 1929 | 1.70 in — Feb 8, 1900 |
| March | 87.1°F — Mar 22, 2012 | -20.9°F — Mar 1, 2014 | 2.30 in — Mar 5, 1976 |
| April | 90.0°F — Apr 26, 1990 | 1.0°F — Apr 9, 1939 | 2.78 in — Apr 13, 2014 |
| May | 95.0°F — May 30, 1929 | 21.0°F — May 1, 1903 | 5.00 in — May 20, 1912 |
| June | 102.0°F — Jun 28, 1971 | 30.0°F — Jun 8, 1949 | 3.32 in — Jun 19, 1954 |
| July | 105.1°F — Jul 13, 1936 | 34.0°F — Jul 3, 1927 | 3.97 in — Jul 15, 1932 |
| August | 100.0°F — Aug 9, 2001 | 30.9°F — Aug 21, 1934 | 4.25 in — Aug 8, 1998 |
| September | 100.0°F — Sep 14, 1939 | 21.9°F — Sep 22, 1904 | 4.30 in — Sep 11, 1986 |
| October | 90.0°F — Oct 9, 2007 | 10.9°F — Oct 17, 1972 | 3.75 in — Oct 24, 2017 |
| November | 77.0°F — Nov 1, 1950 | -8.0°F — Nov 24, 1950 | 2.40 in — Nov 24, 1905 |
| December | 69.1°F — Dec 6, 2001 | -24.0°F — Dec 31, 1946 | 4.00 in — Dec 20, 1895 |
Click a month to see every daily record for that month in Harrison.