May weather in Franklin, WI
The average temperature in Franklin in May is 56.8°F (45.5°F–68.1°F). Average precipitation: 4.28 inches.
May is a spring month in Franklin, and is warmer than the annual average of 47.3°F. Daily temperatures swing about 22.6°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 27m. For travel, May is a comfortable month to visit.
Avg High
68.1°F
Avg Low
45.5°F
Precipitation
4.28 in
Daylight
14h 27m
May records in Franklin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2013) | 24.1°F (2021) | 0.99 in (2023) |
| May 2 | 87.1°F (2021) | 28.9°F (2005) | 0.25 in (2019) |
| May 3 | 86.0°F (2021) | 28.0°F (2005) | 0.82 in (2013) |
| May 4 | 84.0°F (2012) | 28.9°F (2005) | 0.64 in (2022) |
| May 5 | 82.0°F (2010) | 28.0°F (2005) | 0.73 in (2024) |
| May 6 | 80.1°F (2018) | 30.9°F (2006) | 0.37 in (2015) |
| May 7 | 84.9°F (2016) | 32.0°F (2020) | 1.60 in (2012) |
| May 8 | 84.9°F (2015) | 25.0°F (2021) | 1.95 in (2024) |
| May 9 | 87.1°F (2014) | 27.0°F (2020) | 1.33 in (2019) |
| May 10 | 75.0°F (2007) | 28.9°F (2010) | 1.06 in (2013) |
| May 11 | 89.1°F (2022) | 24.1°F (2021) | 1.06 in (2016) |
| May 12 | 87.1°F (2022) | 23.0°F (2021) | 1.35 in (2018) |
| May 13 | 90.0°F (2022) | 24.1°F (2020) | 1.36 in (2018) |
| May 14 | 78.1°F (2017) | 32.0°F (2013) | 1.90 in (2009) |
| May 15 | 90.0°F (2007) | 30.0°F (2016) | 0.60 in (2013) |
| May 16 | 86.0°F (2012) | 35.1°F (2011) | 1.45 in (2007) |
| May 17 | 87.1°F (2017) | 33.1°F (2009) | 0.53 in (2024) |
| May 18 | 84.0°F (2017) | 35.1°F (2023) | 3.12 in (2020) |
| May 19 | 82.0°F (2012) | 30.0°F (2008) | 0.75 in (2005) |
| May 20 | 88.0°F (2012) | 33.1°F (2015) | 0.52 in (2024) |
| May 21 | 91.0°F (2012) | 35.1°F (2005) | 1.27 in (2025) |
| May 22 | 86.0°F (2014) | 32.0°F (2006) | 0.57 in (2025) |
| May 23 | 87.1°F (2021) | 36.0°F (2012) | 1.56 in (2019) |
| May 24 | 90.0°F (2010) | 34.0°F (2013) | 1.18 in (2017) |
| May 25 | 90.0°F (2010) | 36.0°F (2013) | 0.85 in (2024) |
| May 26 | 89.1°F (2018) | 36.0°F (2013) | 1.15 in (2022) |
| May 27 | 89.1°F (2018) | 35.1°F (2011) | 0.67 in (2015) |
| May 28 | 97.0°F (2018) | 30.0°F (2021) | 0.68 in (2014) |
| May 29 | 96.1°F (2018) | 30.9°F (2021) | 0.93 in (2024) |
| May 30 | 91.0°F (2006) | 27.0°F (2021) | 1.25 in (2008) |
| May 31 | 91.0°F (2010) | 35.1°F (2020) | 1.47 in (2006) |