May weather in Franklin, IA
The average temperature in Franklin in May is 62.6°F (52.1°F–73.2°F). Average precipitation: 5.01 inches.
May is a spring month in Franklin, and is warmer than the annual average of 51.7°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 16m. For travel, May is a wet month.
Avg High
73.2°F
Avg Low
52.1°F
Precipitation
5.01 in
Daylight
14h 16m
May records in Franklin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2007) | 39.9°F (2014) | 1.85 in (2019) |
| May 2 | 84.9°F (2013) | 37.9°F (2022) | 2.07 in (1973) |
| May 3 | 84.0°F (2018) | 33.1°F (2011) | 2.03 in (1984) |
| May 4 | 82.9°F (2015) | 32.0°F (2011) | 1.98 in (1990) |
| May 5 | 82.0°F (2015) | 37.9°F (2011) | 1.62 in (1977) |
| May 6 | 84.9°F (2018) | 35.1°F (2006) | 0.90 in (1976) |
| May 7 | 86.0°F (2016) | 39.0°F (2020) | 2.51 in (2010) |
| May 8 | 88.0°F (2014) | 42.1°F (2010) | 1.85 in (1995) |
| May 9 | 81.0°F (2007) | 34.0°F (2020) | 2.03 in (1996) |
| May 10 | 89.1°F (2011) | 37.9°F (2010) | 1.51 in (1951) |
| May 11 | 91.9°F (2011) | 42.1°F (2020) | 1.70 in (1979) |
| May 12 | 91.9°F (2022) | 36.0°F (2021) | 2.24 in (2002) |
| May 13 | 91.9°F (2022) | 39.0°F (2021) | 3.03 in (2010) |
| May 14 | 89.1°F (2022) | 39.9°F (2016) | 2.39 in (1945) |
| May 15 | 90.0°F (2013) | 39.0°F (2016) | 1.99 in (2020) |
| May 16 | 89.1°F (2017) | 37.0°F (2011) | 2.21 in (2009) |
| May 17 | 91.0°F (2019) | 36.0°F (2011) | 1.34 in (1995) |
| May 18 | 87.1°F (2017) | 39.9°F (2011) | 2.11 in (1981) |
| May 19 | 86.0°F (2012) | 41.0°F (2015) | 2.33 in (1959) |
| May 20 | 87.1°F (2012) | 41.0°F (2015) | 1.81 in (2025) |
| May 21 | 89.1°F (2024) | 39.9°F (2015) | 1.29 in (2019) |
| May 22 | 89.1°F (2014) | 42.1°F (2019) | 1.60 in (1944) |
| May 23 | 86.0°F (2009) | 44.1°F (2025) | 2.75 in (1944) |
| May 24 | 89.1°F (2010) | 44.1°F (2025) | 1.71 in (1995) |
| May 25 | 90.0°F (2010) | 46.9°F (2017) | 2.21 in (1960) |
| May 26 | 88.0°F (2010) | 46.9°F (2023) | 1.74 in (2011) |
| May 27 | 95.0°F (2018) | 46.0°F (2011) | 3.23 in (1996) |
| May 28 | 98.1°F (2018) | 45.0°F (2008) | 1.51 in (2021) |
| May 29 | 95.0°F (2018) | 46.0°F (2021) | 2.51 in (2019) |
| May 30 | 91.0°F (2018) | 44.1°F (2021) | 2.50 in (1986) |
| May 31 | 88.0°F (2010) | 46.9°F (2015) | 1.25 in (1945) |