Weather on May 18
Ann Arbor, MI
55 Years of Data
Avg High
71°F
Avg Low
48°F
Warmest
1977
74°F avg
Coldest
2002
42°F avg
About This Date
May 18th in Ann Arbor, MI typically brings pleasant spring weather, with average highs around 71°F and lows near 48°F. Over 55 years of records, the warmest May 18th was in 1977 (74°F average), while the coldest was 2002 (42°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 18th dates historically, with the wettest May 18th recording 5.18" 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 18th in Ann Arbor, MI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 49° | 58° | — | — |
| 2024 | 80° | 57° | 69° | — | — |
| 2023 | 66° | 29° | 48° | — | — |
| 2022 | 54° | 42° | 48° | 1.07" | — |
| 2021 | 76° | 39° | 57° | — | — |
| 2020 | 62° | 55° | 59° | 5.18" | — |
| 2019 | 72° | 48° | 60° | 0.61" | — |
| 2018 | 73° | 51° | 62° | — | — |
| 2017 | 87° | 60° | 74° | — | — |
| 2016 | 67° | 41° | 54° | — | — |
| 2015 | 82° | 61° | 71° | — | — |
| 2014 | 67° | 30° | 49° | — | — |
| 2013 | 74° | 52° | 63° | — | — |
| 2012 | 69° | 42° | 56° | — | — |
| 2011 | 57° | 46° | 52° | 0.51" | — |
| 2010 | 66° | 49° | 57° | 0.94" | — |
| 2009 | 61° | 31° | 46° | — | — |
| 2008 | 60° | 36° | 48° | — | — |
| 2007 | 66° | 31° | 49° | — | — |
| 2006 | 60° | 43° | 51° | 0.08" | — |
| 2005 | 68° | 43° | 55° | — | — |
| 2004 | 75° | 58° | 66° | — | — |
| 2003 | 65° | 50° | 57° | — | — |
| 2002coldest | 50° | 33° | 42° | — | — |
| 2001 | 70° | 49° | 59° | 0.33" | — |
| 2000 | 71° | 48° | 60° | 4.14" | — |
| 1999 | 68° | 55° | 62° | 0.05" | — |
| 1998 | 88° | 56° | 72° | — | — |
| 1997 | 65° | 40° | 52° | 0.2" | — |
| 1996 | 87° | 59° | 73° | — | — |
| 1995 | 67° | 46° | 56° | 0.08" | — |
| 1994 | 63° | 37° | 50° | — | — |
| 1993 | 63° | 47° | 55° | — | — |
| 1992 | 71° | 51° | 61° | 0.46" | — |
| 1991 | 60° | 45° | 52° | — | — |
| 1990 | 59° | 47° | 53° | 0.03" | — |
| 1989 | 79° | 51° | 65° | — | — |
| 1988 | 73° | 43° | 58° | — | — |
| 1987 | 84° | 63° | 73° | 1.3" | — |
| 1986 | 72° | 58° | 65° | 1.04" | — |
| 1985 | 61° | 44° | 52° | 0.33" | — |
| 1984 | 83° | 53° | 68° | 0.33" | — |
| 1983 | 64° | 41° | 53° | — | — |
| 1982 | 88° | 55° | 71° | — | — |
| 1981 | 59° | 33° | 46° | — | — |
| 1980 | 65° | 55° | 60° | 2.26" | — |
| 1979 | 80° | 51° | 66° | — | — |
| 1978 | 78° | 56° | 67° | 0.13" | — |
| 1977warmest | 85° | 63° | 74° | 1.07" | — |
| 1976 | 61° | 41° | 51° | — | — |
| 1975 | 82° | 54° | 68° | — | — |
| 1974 | 73° | 52° | 62° | — | — |
| 1973 | 64° | 35° | 50° | — | — |
| 1972 | 87° | 59° | 73° | — | — |
| 1971 | 88° | 59° | 73° | — | — |
55 years of data from ANN ARBOR 1W