Weather on December 18
Ann Arbor, MI
55 Years of Data
About This Date
December 18th in Ann Arbor, MI typically brings cold winter weather, with average highs around 33°F and lows near 20°F. Over 55 years of records, the warmest December 18th was in 2002 (40°F average), while the coldest was 1985 (7°F) — a 33°F range across recorded history. Precipitation has occurred on 44% of recorded December 18th dates, with snow falling 18% of the time (heaviest snowfall: 1.6"). The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Ann Arbor, MI? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 23° | 38° | 0.66" | — |
| 2024 | 36° | 31° | 34° | — | — |
| 2023 | 41° | 29° | 35° | 0.1" | — |
| 2022 | 27° | 21° | 24° | — | — |
| 2021 | 34° | 31° | 33° | 0.71" | — |
| 2020 | 31° | 18° | 25° | — | — |
| 2019 | 28° | 3° | 16° | — | — |
| 2018 | 35° | 16° | 26° | — | — |
| 2017 | 40° | 26° | 33° | 0.05" | — |
| 2016 | 23° | 3° | 13° | — | — |
| 2015 | 33° | 25° | 29° | — | — |
| 2014 | 32° | 28° | 30° | — | — |
| 2013 | 29° | 20° | 25° | — | — |
| 2012 | 42° | 29° | 35° | — | — |
| 2011 | 32° | 25° | 28° | 0.1" | 0.4" |
| 2010 | 28° | 9° | 18° | — | — |
| 2009 | 32° | 14° | 23° | — | — |
| 2008 | 29° | 20° | 24° | — | — |
| 2007 | 32° | 13° | 23° | 0.03" | — |
| 2006 | 44° | 27° | 36° | 0.03" | — |
| 2005 | 22° | -1° | 11° | — | — |
| 2004 | 35° | 20° | 27° | 0.05" | — |
| 2003 | 31° | 25° | 28° | — | — |
| 2002warmest | 48° | 32° | 40° | 0.46" | — |
| 2001 | 45° | 29° | 37° | — | — |
| 2000 | 16° | -1° | 8° | 0.23" | — |
| 1999 | 30° | 14° | 22° | — | — |
| 1998 | 44° | 14° | 29° | — | — |
| 1997 | 40° | 24° | 32° | — | — |
| 1996 | 33° | 15° | 24° | 0.15" | 0.6" |
| 1995 | 30° | 23° | 27° | — | — |
| 1994 | 38° | 32° | 35° | 0.03" | — |
| 1993 | 40° | 32° | 36° | 0.13" | — |
| 1992 | 35° | 29° | 32° | — | — |
| 1991 | 30° | 15° | 23° | — | 0.1" |
| 1990 | 42° | 34° | 38° | 0.38" | — |
| 1989 | 19° | 0° | 10° | — | — |
| 1988 | 22° | 15° | 18° | 0.2" | 1.6" |
| 1987 | 28° | 23° | 26° | — | — |
| 1986 | 35° | 31° | 33° | 0.74" | — |
| 1985coldest | 14° | 0° | 7° | 0.1" | 0.6" |
| 1984 | 46° | 30° | 38° | — | — |
| 1983 | 18° | 12° | 15° | 0.05" | 0.3" |
| 1982 | 35° | 22° | 28° | — | — |
| 1981 | 23° | 8° | 16° | 0.08" | 0.3" |
| 1980 | 35° | 26° | 31° | 0.03" | 0.2" |
| 1979 | 26° | 11° | 18° | — | — |
| 1978 | 38° | 27° | 32° | — | — |
| 1977 | 39° | 34° | 36° | 0.79" | — |
| 1976 | 36° | 21° | 28° | — | — |
| 1975 | 16° | 9° | 12° | 0.03" | 0.1" |
| 1974 | 30° | 20° | 25° | 0.1" | 1" |
| 1973 | 25° | 10° | 17° | — | — |
| 1972 | 36° | 17° | 26° | — | — |
| 1971 | 28° | 16° | 22° | 0.03" | — |
Ann Arbor, MI Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Ann Arbor, MI Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Ann Arbor, MI Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Ann Arbor, MI
Ann Arbor, MI has no months that meet our "pleasant" threshold — every season has tradeoffs.