May weather in Pewaukee, WI
The average temperature in Pewaukee in May is 56.5°F (46.6°F–66.5°F). Average precipitation: 3.94 inches.
May is a spring month in Pewaukee, and is warmer than the annual average of 46.6°F. Daily temperatures swing about 19.9°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 28m. For travel, May is a comfortable month to visit.
Avg High
66.5°F
Avg Low
46.6°F
Precipitation
3.94 in
Daylight
14h 28m
May records in Pewaukee
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2013) | 30.9°F (2018) | 0.89 in (2022) |
| May 2 | 84.9°F (2021) | 35.1°F (2023) | 0.56 in (2017) |
| May 3 | 84.0°F (2021) | 30.9°F (2017) | 1.42 in (2013) |
| May 4 | 80.1°F (2012) | 30.9°F (2017) | 1.29 in (2021) |
| May 5 | 80.1°F (2010) | 34.0°F (2019) | 0.84 in (2024) |
| May 6 | 77.0°F (2018) | 30.9°F (2020) | 0.33 in (2019) |
| May 7 | 82.0°F (2016) | 33.1°F (2017) | 1.53 in (2012) |
| May 8 | 82.9°F (2015) | 30.0°F (2017) | 1.34 in (2024) |
| May 9 | 84.9°F (2014) | 28.0°F (2020) | 0.92 in (2019) |
| May 10 | 75.0°F (2007) | 28.0°F (2020) | 1.04 in (2013) |
| May 11 | 89.1°F (2022) | 30.9°F (2021) | 0.71 in (2010) |
| May 12 | 89.1°F (2022) | 30.0°F (2020) | 0.75 in (2018) |
| May 13 | 93.9°F (2022) | 28.9°F (2020) | 3.40 in (2014) |
| May 14 | 90.0°F (2022) | 37.0°F (2019) | 0.92 in (2009) |
| May 15 | 88.0°F (2007) | 33.1°F (2016) | 0.31 in (2020) |
| May 16 | 88.0°F (2007) | 36.0°F (2014) | 1.18 in (2007) |
| May 17 | 86.0°F (2017) | 37.0°F (2009) | 0.71 in (2020) |
| May 18 | 82.0°F (2015) | 35.1°F (2023) | 1.77 in (2020) |
| May 19 | 86.0°F (2024) | 32.0°F (2008) | 0.32 in (2020) |
| May 20 | 88.0°F (2012) | 34.0°F (2015) | 0.34 in (2024) |
| May 21 | 89.1°F (2012) | 37.9°F (2008) | 1.32 in (2025) |
| May 22 | 82.9°F (2014) | 36.0°F (2008) | 0.63 in (2025) |
| May 23 | 87.1°F (2011) | 37.9°F (2025) | 0.81 in (2013) |
| May 24 | 89.1°F (2010) | 34.0°F (2013) | 0.65 in (2017) |
| May 25 | 90.0°F (2010) | 39.9°F (2013) | 0.88 in (2024) |
| May 26 | 86.0°F (2018) | 36.0°F (2013) | 1.07 in (2022) |
| May 27 | 89.1°F (2018) | 37.0°F (2011) | 0.37 in (2009) |
| May 28 | 93.0°F (2018) | 34.0°F (2008) | 1.09 in (2013) |
| May 29 | 91.0°F (2018) | 34.0°F (2021) | 1.10 in (2020) |
| May 30 | 91.0°F (2018) | 34.0°F (2021) | 0.87 in (2015) |
| May 31 | 90.0°F (2010) | 37.0°F (2021) | 0.73 in (2013) |