Weather on December 21
Detroit, MI
55 Years of Data
Avg High
36°F
Avg Low
24°F
Warmest
1990
47°F avg
Coldest
1989
4°F avg
About This Date
December 21st in Detroit, MI typically brings cold winter weather, with average highs around 36°F and lows near 24°F. Over 55 years of records, the warmest December 21st was in 1990 (47°F average), while the coldest was 1989 (4°F) — a 43°F range across recorded history. Precipitation has occurred on 18% of recorded December 21st dates, with snow falling 5% of the time (heaviest snowfall: 2"). The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Detroit, MI? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 37° | 19° | 28° | — | — |
| 2024 | 28° | 16° | 22° | — | — |
| 2023 | 45° | 36° | 40° | — | — |
| 2022 | 33° | 25° | 29° | — | — |
| 2021 | 41° | 25° | 33° | — | — |
| 2020 | 40° | 34° | 37° | 0.15" | — |
| 2019 | 46° | 26° | 36° | — | — |
| 2018 | 41° | 33° | 37° | 0.48" | — |
| 2017 | 34° | 27° | 31° | — | — |
| 2016 | 33° | 20° | 27° | — | — |
| 2015 | 50° | 39° | 45° | 1.12" | — |
| 2014 | 32° | 26° | 29° | — | — |
| 2013 | 42° | 34° | 38° | 0.84" | — |
| 2012 | 43° | 29° | 36° | 0.08" | — |
| 2011 | 48° | 38° | 43° | 0.05" | — |
| 2010 | 29° | 20° | 24° | — | — |
| 2009 | 32° | 28° | 30° | — | — |
| 2008 | 25° | 1° | 13° | 0.1" | — |
| 2007 | 37° | 29° | 33° | — | — |
| 2006 | 43° | 37° | 40° | 0.38" | — |
| 2005 | 27° | 22° | 24° | — | — |
| 2004 | 42° | 20° | 31° | — | — |
| 2003 | 43° | 27° | 35° | — | — |
| 2002 | 34° | 30° | 32° | — | — |
| 2001 | 38° | 27° | 32° | — | — |
| 2000 | 25° | 2° | 13° | — | — |
| 1999 | 24° | 17° | 21° | — | — |
| 1998 | 45° | 28° | 36° | — | — |
| 1997 | 36° | 30° | 33° | — | — |
| 1996 | 36° | 15° | 25° | — | — |
| 1995 | 25° | 16° | 20° | — | — |
| 1994 | 50° | 29° | 39° | — | — |
| 1993 | 34° | 28° | 31° | — | — |
| 1992 | 33° | 20° | 26° | — | — |
| 1991 | 42° | 35° | 39° | — | — |
| 1990warmest | 51° | 42° | 47° | — | — |
| 1989coldest | 8° | -1° | 4° | — | — |
| 1988 | 42° | 32° | 37° | — | — |
| 1987 | 41° | 29° | 35° | — | — |
| 1986 | 42° | 21° | 32° | — | — |
| 1985 | 20° | 12° | 16° | — | — |
| 1984 | 48° | 28° | 38° | — | — |
| 1983 | 34° | 17° | 25° | — | — |
| 1982 | 34° | 32° | 33° | — | — |
| 1981 | 33° | 17° | 25° | — | — |
| 1980 | 21° | 10° | 16° | — | — |
| 1979 | 42° | 26° | 34° | — | — |
| 1978 | 36° | 26° | 31° | — | — |
| 1977 | 28° | 22° | 25° | — | 1" |
| 1976 | 21° | 10° | 16° | — | — |
| 1975 | 25° | 14° | 19° | — | — |
| 1974 | 32° | 29° | 30° | 0.38" | 2" |
| 1973 | 26° | 18° | 22° | — | 0.3" |
| 1972 | 38° | 34° | 36° | 0.05" | — |
| 1971 | 39° | 26° | 33° | — | — |
55 years of data from DETROIT CITY AP