Weather on May 20
Ann Arbor, MI
55 Years of Data
Avg High
73°F
Avg Low
50°F
Warmest
1996
78°F avg
Coldest
2002
38°F avg
About This Date
May 20th in Ann Arbor, MI typically brings pleasant spring weather, with average highs around 73°F and lows near 50°F. Over 55 years of records, the warmest May 20th was in 1996 (78°F average), while the coldest was 2002 (38°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 33% of May 20th dates historically, with the wettest May 20th recording 2.49" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 20th in Ann Arbor, MI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 40° | 47° | 0.97" | — |
| 2024 | 86° | 60° | 73° | — | — |
| 2023 | 62° | 44° | 53° | 0.03" | — |
| 2022 | 85° | 64° | 74° | — | — |
| 2021 | 86° | 55° | 71° | — | — |
| 2020 | 66° | 48° | 57° | — | — |
| 2019 | 62° | 38° | 50° | — | — |
| 2018 | 65° | 57° | 61° | — | — |
| 2017 | 64° | 46° | 55° | 0.61" | — |
| 2016 | 71° | 38° | 54° | — | — |
| 2015 | 60° | 39° | 50° | 0.05" | — |
| 2014 | 78° | 52° | 65° | 0.23" | — |
| 2013 | 86° | 58° | 72° | — | — |
| 2012 | 85° | 53° | 69° | — | — |
| 2011 | 66° | 53° | 60° | 0.48" | — |
| 2010 | 74° | 48° | 61° | — | — |
| 2009 | 76° | 51° | 63° | — | — |
| 2008 | 64° | 46° | 55° | — | — |
| 2007 | 67° | 47° | 57° | — | — |
| 2006 | 67° | 38° | 52° | — | — |
| 2005 | 72° | 41° | 56° | — | — |
| 2004 | 80° | 54° | 67° | 2.49" | — |
| 2003 | 72° | 48° | 60° | 0.36" | — |
| 2002coldest | 47° | 29° | 38° | — | — |
| 2001 | 75° | 46° | 61° | — | — |
| 2000 | 66° | 45° | 55° | — | — |
| 1999 | 73° | 42° | 58° | — | — |
| 1998 | 87° | 64° | 76° | — | — |
| 1997 | 60° | 35° | 48° | — | — |
| 1996warmest | 87° | 70° | 78° | — | — |
| 1995 | 77° | 53° | 65° | 0.05" | — |
| 1994 | 76° | 44° | 60° | — | — |
| 1993 | 60° | 44° | 52° | — | — |
| 1992 | 80° | 47° | 63° | — | — |
| 1991 | 74° | 48° | 61° | — | — |
| 1990 | 71° | 48° | 60° | 0.53" | — |
| 1989 | 73° | 59° | 66° | 0.97" | — |
| 1988 | 70° | 55° | 62° | 0.46" | — |
| 1987 | 73° | 55° | 64° | 0.03" | — |
| 1986 | 51° | 42° | 47° | 0.18" | — |
| 1985 | 78° | 59° | 69° | 0.05" | — |
| 1984 | 68° | 55° | 62° | 0.48" | — |
| 1983 | 69° | 56° | 62° | — | — |
| 1982 | 78° | 61° | 69° | — | — |
| 1981 | 71° | 37° | 54° | — | — |
| 1980 | 71° | 46° | 59° | — | — |
| 1979 | 75° | 49° | 62° | — | — |
| 1978 | 82° | 60° | 71° | 1.3" | — |
| 1977 | 88° | 59° | 73° | — | — |
| 1976 | 77° | 49° | 63° | — | — |
| 1975 | 87° | 62° | 75° | — | — |
| 1974 | 73° | 47° | 60° | — | — |
| 1973 | 72° | 46° | 59° | — | — |
| 1972 | 85° | 59° | 72° | — | — |
| 1971 | 68° | 46° | 57° | 0.1" | — |
55 years of data from ANN ARBOR 1W