May weather in Ann Arbor, MI
The average temperature in Ann Arbor in May is 57.9°F (45.5°F–70.4°F). Average precipitation: 3.79 inches.
May is a spring month in Ann Arbor, and is warmer than the annual average of 48.2°F. Daily temperatures swing about 24.9°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 14h 24m. For travel, May is a comfortable month to visit.
Avg High
70.4°F
Avg Low
45.5°F
Precipitation
3.79 in
Daylight
14h 24m
May records in Ann Arbor
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 81.0°F (2010) | 27.0°F (2021) | 1.38 in (2007) |
| May 2 | 82.9°F (2018) | 28.0°F (2021) | 0.79 in (2004) |
| May 3 | 84.0°F (2018) | 27.0°F (2005) | 0.90 in (2006) |
| May 4 | 88.0°F (2012) | 25.0°F (2005) | 0.66 in (2022) |
| May 5 | 81.0°F (2012) | 28.0°F (2005) | 1.63 in (2025) |
| May 6 | 78.1°F (2010) | 30.0°F (2005) | 1.40 in (2015) |
| May 7 | 84.0°F (2004) | 33.1°F (2006) | 0.38 in (2025) |
| May 8 | 84.9°F (2015) | 32.0°F (2017) | 0.98 in (2010) |
| May 9 | 87.1°F (2014) | 26.1°F (2020) | 0.51 in (2003) |
| May 10 | 84.0°F (2004) | 28.0°F (2020) | 1.09 in (2007) |
| May 11 | 84.0°F (2004) | 34.0°F (2020) | 1.69 in (2006) |
| May 12 | 82.9°F (2007) | 30.0°F (2020) | 1.49 in (2018) |
| May 13 | 87.1°F (2022) | 27.0°F (2013) | 0.82 in (2018) |
| May 14 | 86.0°F (2022) | 28.9°F (2020) | 0.80 in (2005) |
| May 15 | 84.9°F (2022) | 35.1°F (2016) | 1.05 in (2020) |
| May 16 | 87.1°F (2007) | 34.0°F (2016) | 0.92 in (2009) |
| May 17 | 87.1°F (2017) | 32.0°F (2009) | 0.05 in (2015) |
| May 18 | 87.1°F (2017) | 28.9°F (2009) | 0.51 in (2010) |
| May 19 | 87.1°F (2017) | 34.0°F (2008) | 1.89 in (2020) |
| May 20 | 89.1°F (2024) | 37.9°F (2006) | 0.56 in (2023) |
| May 21 | 91.0°F (2012) | 36.0°F (2019) | 1.26 in (2004) |
| May 22 | 88.0°F (2024) | 34.0°F (2003) | 2.36 in (2004) |
| May 23 | 86.0°F (2011) | 32.0°F (2006) | 0.39 in (2019) |
| May 24 | 88.0°F (2007) | 36.0°F (2008) | 0.94 in (2011) |
| May 25 | 89.1°F (2007) | 33.1°F (2013) | 0.50 in (2017) |
| May 26 | 88.0°F (2020) | 34.0°F (2013) | 2.53 in (2011) |
| May 27 | 90.0°F (2020) | 37.0°F (2023) | 1.11 in (2024) |
| May 28 | 91.9°F (2018) | 30.0°F (2008) | 0.72 in (2013) |
| May 29 | 93.9°F (2018) | 36.0°F (2008) | 0.55 in (2021) |
| May 30 | 95.0°F (2006) | 34.0°F (2021) | 0.08 in (2005) |
| May 31 | 91.0°F (2011) | 37.9°F (2009) | 1.96 in (2015) |