All-time weather records — Union City, MI
Climate change signal in Union City
of Union City's all-time daily heat records were set in the last decade (23 of 366 records since 2015).
of all-time daily cold records were set in the last decade (10 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 | 14 | 21 | ||
| 1900s | 33 | 42 | ||
| 1910s | 44 | 25 | ||
| 1920s | 26 | 38 | ||
| 1930s | 84 | 26 | ||
| 1940s | 21 | 37 | ||
| 1950s | 28 | 24 | ||
| 1960s | 22 | 40 | ||
| 1970s | 10 | 48 | ||
| 1980s | 22 | 35 | ||
| 1990s | 14 | 7 | ||
| 2000s | 13 | 5 | ||
| 2010s | 24 | 15 | ||
| 2020s | 11 | 3 |
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 1897, the latest in 2026. Period of observation: 1897-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 70.0°F — Jan 21, 1906 | -29.0°F — Jan 31, 2019 | 2.25 in — Jan 8, 2008 |
| February | 71.1°F — Feb 27, 2024 | -22.0°F — Feb 20, 1929 | 2.93 in — Feb 20, 2018 |
| March | 84.0°F — Mar 21, 2012 | -13.0°F — Mar 1, 1967 | 1.85 in — Mar 8, 2009 |
| April | 89.1°F — Apr 26, 1915 | 6.1°F — Apr 7, 1982 | 3.07 in — Apr 24, 1950 |
| May | 96.1°F — May 27, 1911 | 19.9°F — May 6, 1900 | 4.48 in — May 30, 1989 |
| June | 102.0°F — Jun 1, 1934 | 16.0°F — Jun 23, 1907 | 5.37 in — Jun 26, 1978 |
| July | 108.0°F — Jul 24, 1934 | 39.9°F — Jul 1, 1988 | 4.75 in — Jul 29, 1959 |
| August | 102.9°F — Aug 6, 1918 | 36.0°F — Aug 16, 1996 | 3.60 in — Aug 2, 1942 |
| September | 99.0°F — Sep 2, 1913 | 27.0°F — Sep 29, 1942 | 3.90 in — Sep 19, 1960 |
| October | 89.1°F — Oct 1, 1897 | 16.0°F — Oct 21, 1974 | 5.30 in — Oct 12, 1901 |
| November | 78.1°F — Nov 1, 1933 | -4.0°F — Nov 24, 1950 | 2.10 in — Nov 22, 2010 |
| December | 66.9°F — Dec 2, 1982 | -17.0°F — Dec 15, 1917 | 2.64 in — Dec 24, 1965 |
Click a month to see every daily record for that month in Union City.