May weather in Waupun, WI
The average temperature in Waupun in May is 57.2°F (46.5°F–68.0°F). Average precipitation: 4.42 inches.
May is a spring month in Waupun, and is warmer than the annual average of 45.4°F. Daily temperatures swing about 21.5°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 31m. For travel, May is a comfortable month to visit.
Avg High
68.0°F
Avg Low
46.5°F
Precipitation
4.42 in
Daylight
14h 31m
May records in Waupun
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (2013) | 33.1°F (2020) | 1.47 in (2007) |
| May 2 | 88.0°F (2021) | 32.0°F (2011) | 0.95 in (2018) |
| May 3 | 82.0°F (2021) | 30.9°F (2011) | 0.82 in (2018) |
| May 4 | 80.1°F (2012) | 28.9°F (2011) | 2.10 in (2018) |
| May 5 | 79.0°F (2010) | 33.1°F (2019) | 0.40 in (2012) |
| May 6 | 79.0°F (2018) | 32.0°F (2020) | 0.51 in (2019) |
| May 7 | 86.0°F (2016) | 33.1°F (2017) | 1.85 in (2012) |
| May 8 | 82.0°F (2015) | 30.0°F (2020) | 0.67 in (2024) |
| May 9 | 82.0°F (2018) | 25.0°F (2020) | 1.40 in (2009) |
| May 10 | 80.1°F (2007) | 30.0°F (2020) | 1.47 in (2013) |
| May 11 | 89.1°F (2022) | 30.0°F (2021) | 0.61 in (2016) |
| May 12 | 84.0°F (2011) | 30.9°F (2020) | 1.32 in (2006) |
| May 13 | 91.9°F (2022) | 30.0°F (2013) | 1.11 in (2010) |
| May 14 | 90.0°F (2022) | 34.0°F (2019) | 2.62 in (2009) |
| May 15 | 87.1°F (2007) | 30.0°F (2016) | 0.24 in (2023) |
| May 16 | 84.0°F (2012) | 32.0°F (2016) | 1.15 in (2017) |
| May 17 | 82.9°F (2017) | 33.1°F (2009) | 0.40 in (2020) |
| May 18 | 79.0°F (2015) | 37.9°F (2007) | 2.01 in (2020) |
| May 19 | 84.9°F (2024) | 34.0°F (2008) | 0.26 in (2021) |
| May 20 | 87.1°F (2012) | 37.0°F (2015) | 0.27 in (2024) |
| May 21 | 87.1°F (2012) | 36.0°F (2015) | 1.42 in (2025) |
| May 22 | 84.9°F (2014) | 37.9°F (2008) | 1.46 in (2024) |
| May 23 | 84.0°F (2007) | 37.9°F (2022) | 1.81 in (2013) |
| May 24 | 88.0°F (2010) | 36.0°F (2013) | 1.62 in (2017) |
| May 25 | 90.0°F (2010) | 42.1°F (2025) | 2.47 in (2019) |
| May 26 | 86.0°F (2010) | 42.1°F (2013) | 2.01 in (2010) |
| May 27 | 90.0°F (2018) | 37.9°F (2011) | 1.82 in (2024) |
| May 28 | 93.9°F (2018) | 35.1°F (2008) | 0.80 in (2021) |
| May 29 | 90.0°F (2018) | 36.0°F (2021) | 2.50 in (2020) |
| May 30 | 90.0°F (2018) | 35.1°F (2021) | 0.88 in (2015) |
| May 31 | 90.0°F (2010) | 39.0°F (2020) | 0.79 in (2018) |