Weather on May 15
Ann Arbor, MI
55 Years of Data
About This Date
May 15th in Ann Arbor, MI typically brings mild spring weather, with average highs around 69°F and lows near 47°F. Over 56 years of records, the warmest May 15th was in 1998 (73°F average), while the coldest was 2016 (40°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 55% of May 15th dates historically, with the wettest May 15th recording 2.21" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Ann Arbor, MI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 71° | 34° | 52° | — | — |
| 2025 | 81° | 55° | 68° | 0.08" | — |
| 2024 | 76° | 54° | 65° | 0.03" | — |
| 2023 | 72° | 40° | 56° | — | — |
| 2022 | 84° | 49° | 66° | 0.23" | — |
| 2021 | 72° | 35° | 53° | — | — |
| 2020 | 71° | 50° | 61° | 1.63" | — |
| 2019 | 74° | 36° | 55° | — | — |
| 2018 | 72° | 56° | 64° | 0.79" | — |
| 2017 | 71° | 36° | 53° | — | — |
| 2016coldest | 49° | 32° | 40° | 0.05" | — |
| 2015 | 75° | 50° | 63° | 0.28" | — |
| 2014 | 60° | 41° | 51° | 0.38" | — |
| 2013 | 79° | 47° | 63° | — | — |
| 2012 | 77° | 44° | 61° | — | — |
| 2011 | 64° | 49° | 56° | 0.08" | — |
| 2010 | 70° | 43° | 56° | — | — |
| 2009 | 72° | 42° | 57° | — | — |
| 2008 | 61° | 41° | 51° | — | — |
| 2007 | 86° | 57° | 72° | 1.27" | — |
| 2006 | 56° | 51° | 53° | 0.41" | — |
| 2005 | 55° | 39° | 47° | — | — |
| 2004 | 54° | 47° | 50° | — | — |
| 2003 | 57° | 49° | 53° | 0.89" | — |
| 2002 | 68° | 37° | 53° | — | — |
| 2001 | 59° | 53° | 56° | 2.21" | — |
| 2000 | 64° | 32° | 48° | — | — |
| 1999 | 73° | 54° | 63° | — | — |
| 1998warmest | 89° | 57° | 73° | — | — |
| 1997 | 53° | 41° | 47° | 0.61" | — |
| 1996 | 57° | 47° | 52° | 0.41" | — |
| 1995 | 72° | 50° | 61° | — | — |
| 1994 | 72° | 56° | 64° | 0.15" | — |
| 1993 | 74° | 57° | 65° | 0.05" | — |
| 1992 | 71° | 39° | 55° | — | — |
| 1991 | 86° | 56° | 71° | — | — |
| 1990 | 70° | 50° | 60° | 0.3" | — |
| 1989 | 64° | 45° | 54° | — | — |
| 1988 | 87° | 46° | 67° | — | — |
| 1987 | 76° | 46° | 61° | 0.84" | — |
| 1986 | 76° | 52° | 64° | 0.05" | — |
| 1985 | 79° | 57° | 68° | 0.64" | — |
| 1984 | 59° | 34° | 46° | 0.03" | — |
| 1983 | 67° | 45° | 56° | 0.03" | — |
| 1982 | 81° | 59° | 70° | — | — |
| 1981 | 47° | 43° | 45° | 1.09" | — |
| 1980 | 59° | 41° | 50° | 0.05" | — |
| 1979 | 65° | 49° | 57° | 0.18" | — |
| 1978 | 57° | 50° | 54° | 0.28" | — |
| 1977 | 75° | 44° | 60° | — | — |
| 1976 | 68° | 61° | 64° | 0.38" | — |
| 1975 | 70° | 54° | 62° | 0.03" | — |
| 1974 | 73° | 53° | 63° | 1.6" | — |
| 1973 | 55° | 35° | 45° | — | — |
| 1972 | 65° | 53° | 59° | 1.27" | — |
| 1971 | 79° | 48° | 63° | — | — |
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.