Weather on April 18
Ann Arbor, MI
55 Years of Data
Avg High
63°F
Avg Low
38°F
Warmest
2002
70°F avg
Coldest
1983
27°F avg
About This Date
April 18th in Ann Arbor, MI typically brings mild spring weather, with average highs around 63°F and lows near 38°F — a 25°F daily swing. Over 55 years of records, the warmest April 18th was in 2002 (70°F average), while the coldest was 1983 (27°F) — a 43°F range across recorded history. Precipitation has occurred on 33% of recorded April 18th dates, with snow falling 4% of the time. The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
Planning for April 18th in Ann Arbor, MI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 51° | 67° | — | — |
| 2024 | 67° | 51° | 59° | — | — |
| 2023 | 50° | 30° | 40° | — | — |
| 2022 | 38° | 31° | 35° | 0.69" | — |
| 2021 | 61° | 35° | 48° | — | — |
| 2020 | 54° | 25° | 40° | — | — |
| 2019 | 66° | 45° | 55° | 0.76" | — |
| 2018 | 46° | 32° | 39° | 0.1" | — |
| 2017 | 66° | 38° | 52° | — | — |
| 2016 | 82° | 37° | 60° | — | — |
| 2015 | 77° | 40° | 58° | — | — |
| 2014 | 65° | 41° | 53° | — | — |
| 2013 | 57° | 40° | 48° | 1.65" | — |
| 2012 | 58° | 33° | 45° | — | — |
| 2011 | 48° | 30° | 39° | 0.33" | 0.8" |
| 2010 | 48° | 31° | 39° | — | — |
| 2009 | 73° | 38° | 55° | — | — |
| 2008 | 77° | 41° | 59° | — | — |
| 2007 | 63° | 31° | 47° | — | — |
| 2006 | 65° | 38° | 51° | — | — |
| 2005 | 78° | 49° | 63° | — | — |
| 2004 | 85° | 53° | 69° | — | — |
| 2003 | 61° | 43° | 52° | 0.33" | — |
| 2002warmest | 84° | 56° | 70° | — | — |
| 2001 | 52° | 29° | 40° | — | — |
| 2000 | 61° | 42° | 51° | — | — |
| 1999 | 53° | 37° | 45° | — | — |
| 1998 | 62° | 35° | 49° | — | — |
| 1997 | 52° | 26° | 39° | — | — |
| 1996 | 74° | 35° | 54° | — | — |
| 1995 | 64° | 39° | 52° | 1.55" | — |
| 1994 | 65° | 36° | 50° | 0.05" | — |
| 1993 | 63° | 29° | 46° | — | — |
| 1992 | 48° | 40° | 44° | 0.41" | — |
| 1991 | 56° | 32° | 44° | — | — |
| 1990 | 54° | 25° | 39° | — | — |
| 1989 | 48° | 30° | 39° | 0.23" | — |
| 1988 | 67° | 30° | 48° | 0.3" | — |
| 1987 | 73° | 45° | 59° | — | — |
| 1986 | 66° | 37° | 52° | — | — |
| 1985 | 82° | 36° | 59° | — | — |
| 1984 | 45° | 34° | 39° | 0.2" | — |
| 1983coldest | 33° | 22° | 27° | 0.08" | 0.4" |
| 1982 | 59° | 34° | 46° | 0.05" | — |
| 1981 | 75° | 47° | 61° | 0.28" | — |
| 1980 | 67° | 41° | 54° | — | — |
| 1979 | 59° | 33° | 46° | — | — |
| 1978 | 51° | 37° | 44° | 0.76" | — |
| 1977 | 78° | 47° | 62° | — | — |
| 1976 | 82° | 54° | 68° | — | — |
| 1975 | 66° | 47° | 56° | 0.86" | — |
| 1974 | 63° | 47° | 55° | — | — |
| 1973 | 68° | 51° | 60° | 0.05" | — |
| 1972 | 74° | 48° | 61° | — | — |
| 1971 | 60° | 44° | 52° | — | — |
55 years of data from ANN ARBOR 1W