Weather on April 20
Ann Arbor, MI
55 Years of Data
Avg High
61°F
Avg Low
40°F
Warmest
1985
70°F avg
Coldest
2013
34°F avg
About This Date
April 20th in Ann Arbor, MI typically brings mild spring weather, with average highs around 61°F and lows near 40°F. Over 55 years of records, the warmest April 20th was in 1985 (70°F average), while the coldest was 2013 (34°F) — a 36°F range across recorded history. Precipitation has occurred on 55% of recorded April 20th dates, with snow falling 2% of the time. The last decade has been 6.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.6°F cooler on this date compared to 20-30 years ago.
Planning for April 20th in Ann Arbor, MI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 41° | 49° | — | — |
| 2024 | 46° | 36° | 41° | — | — |
| 2023 | 68° | 42° | 55° | 0.03" | — |
| 2022 | 51° | 22° | 37° | — | — |
| 2021 | 39° | 31° | 35° | 0.64" | — |
| 2020 | 58° | 23° | 41° | 0.03" | — |
| 2019 | 43° | 39° | 41° | 2.11" | — |
| 2018 | 59° | 31° | 45° | — | — |
| 2017 | 65° | 48° | 56° | 2.08" | — |
| 2016 | 66° | 44° | 55° | — | — |
| 2015 | 64° | 44° | 54° | 0.56" | — |
| 2014 | 73° | 28° | 51° | — | — |
| 2013coldest | 42° | 27° | 34° | 0.1" | 0.2" |
| 2012 | 73° | 45° | 59° | — | — |
| 2011 | 41° | 35° | 38° | 0.94" | — |
| 2010 | 64° | 35° | 50° | — | — |
| 2009 | 53° | 41° | 47° | 1.78" | — |
| 2008 | 69° | 46° | 58° | — | — |
| 2007 | 71° | 34° | 52° | — | — |
| 2006 | 72° | 35° | 53° | — | — |
| 2005 | 72° | 41° | 56° | 0.33" | — |
| 2004 | 53° | 35° | 44° | 0.25" | — |
| 2003 | 74° | 53° | 63° | 1.19" | — |
| 2002 | 58° | 41° | 49° | 0.41" | — |
| 2001 | 56° | 46° | 51° | 0.66" | — |
| 2000 | 54° | 47° | 50° | 4.52" | — |
| 1999 | 55° | 39° | 47° | 0.15" | — |
| 1998 | 66° | 42° | 54° | — | — |
| 1997 | 59° | 28° | 44° | — | — |
| 1996 | 72° | 54° | 63° | 2.57" | — |
| 1995 | 48° | 35° | 42° | 0.18" | — |
| 1994 | 63° | 32° | 47° | — | — |
| 1993 | 66° | 50° | 58° | 1.27" | — |
| 1992 | 73° | 53° | 63° | 0.43" | — |
| 1991 | 46° | 35° | 41° | 2.54" | — |
| 1990 | 60° | 51° | 56° | 0.81" | — |
| 1989 | 67° | 33° | 50° | — | — |
| 1988 | 54° | 32° | 43° | — | — |
| 1987 | 80° | 51° | 66° | — | — |
| 1986 | 64° | 40° | 52° | 0.48" | — |
| 1985warmest | 82° | 58° | 70° | — | — |
| 1984 | 58° | 40° | 49° | — | — |
| 1983 | 46° | 25° | 35° | — | — |
| 1982 | 66° | 50° | 58° | 0.33" | — |
| 1981 | 48° | 32° | 40° | 0.03" | — |
| 1980 | 71° | 52° | 61° | — | — |
| 1979 | 65° | 36° | 50° | — | — |
| 1978 | 53° | 38° | 45° | 1.6" | — |
| 1977 | 77° | 58° | 67° | 0.23" | — |
| 1976 | 70° | 48° | 59° | — | — |
| 1975 | 50° | 37° | 44° | 0.05" | — |
| 1974 | 68° | 36° | 52° | — | — |
| 1973 | 81° | 55° | 68° | 0.03" | — |
| 1972 | 58° | 39° | 48° | 0.81" | — |
| 1971 | 72° | 45° | 58° | — | — |
55 years of data from ANN ARBOR 1W