May weather in Mount Pleasant, WI
The average temperature in Mount Pleasant in May is 56.0°F (46.4°F–65.6°F). Average precipitation: 3.49 inches.
May is a spring month in Mount Pleasant, and is warmer than the annual average of 48.4°F. Daily temperatures swing about 19.2°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 26m. For travel, May is a comfortable month to visit.
Avg High
65.6°F
Avg Low
46.4°F
Precipitation
3.49 in
Daylight
14h 26m
May records in Mount Pleasant
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2021) | 34.0°F (2005) | 0.90 in (2025) |
| May 2 | 87.1°F (2018) | 30.0°F (2004) | 0.56 in (2018) |
| May 3 | 84.9°F (2012) | 30.0°F (2004) | 0.93 in (2022) |
| May 4 | 82.0°F (2010) | 30.0°F (2002) | 0.81 in (2003) |
| May 5 | 81.0°F (2018) | 36.0°F (2011) | 0.66 in (2015) |
| May 6 | 82.9°F (2016) | 35.1°F (2006) | 0.54 in (2021) |
| May 7 | 78.1°F (2023) | 35.1°F (2017) | 1.08 in (2024) |
| May 8 | 84.9°F (2000) | 29.1°F (2020) | 1.56 in (2015) |
| May 9 | 81.0°F (2003) | 28.2°F (2020) | 0.74 in (2019) |
| May 10 | 78.1°F (2004) | 34.0°F (2010) | 1.40 in (2016) |
| May 11 | 84.9°F (2022) | 34.0°F (2021) | 1.10 in (2010) |
| May 12 | 81.0°F (2014) | 32.0°F (2021) | 2.26 in (2014) |
| May 13 | 82.0°F (2024) | 34.0°F (2013) | 1.12 in (2010) |
| May 14 | 89.1°F (2007) | 37.9°F (2016) | 2.15 in (2018) |
| May 15 | 84.9°F (2012) | 34.0°F (2014) | 0.72 in (2007) |
| May 16 | 88.0°F (2017) | 34.0°F (2014) | 0.33 in (2019) |
| May 17 | 82.9°F (2017) | 37.0°F (2002) | 3.32 in (2020) |
| May 18 | 88.0°F (1998) | 35.1°F (2002) | 1.44 in (2000) |
| May 19 | 84.9°F (1998) | 36.0°F (2008) | 0.51 in (2005) |
| May 20 | 90.0°F (2013) | 32.0°F (2002) | 1.59 in (2024) |
| May 21 | 84.9°F (2014) | 30.9°F (2002) | 1.66 in (2004) |
| May 22 | 87.1°F (2021) | 35.1°F (2006) | 0.95 in (2004) |
| May 23 | 81.0°F (2010) | 37.9°F (2025) | 0.46 in (1999) |
| May 24 | 86.0°F (2007) | 39.0°F (2025) | 0.59 in (2019) |
| May 25 | 88.0°F (2018) | 39.9°F (2002) | 1.09 in (2022) |
| May 26 | 84.9°F (2018) | 37.0°F (2002) | 0.70 in (2001) |
| May 27 | 91.0°F (2018) | 39.0°F (2011) | 0.91 in (2000) |
| May 28 | 90.0°F (2012) | 39.0°F (2008) | 0.92 in (2013) |
| May 29 | 84.0°F (1999) | 39.0°F (2008) | 0.34 in (2011) |
| May 30 | 86.0°F (2002) | 37.0°F (2021) | 0.85 in (2000) |
| May 31 | 87.1°F (2018) | 41.0°F (2015) | 0.81 in (2000) |