May weather in Little Sioux, IA
The average temperature in Little Sioux in May is 60.1°F (47.8°F–72.5°F). Average precipitation: 5.06 inches. Average snowfall is 0.3 inches.
May is a spring month in Little Sioux, and is warmer than the annual average of 48.1°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 22m. For travel, May is a wet month.
Avg High
72.5°F
Avg Low
47.8°F
Precipitation
5.06 in
Snow
0.3 in
May records in Little Sioux
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (2007) | 26.1°F (2005) | 1.50 in (2017) |
| May 2 | 90.0°F (2020) | 28.9°F (2011) | 4.25 in (2018) |
| May 3 | 87.1°F (2021) | 25.0°F (2011) | 2.30 in (2021) |
| May 4 | 89.1°F (2015) | 25.0°F (2011) | 0.81 in (2024) |
| May 5 | 89.1°F (2010) | 30.0°F (2021) | 0.74 in (2015) |
| May 6 | 93.0°F (2012) | 30.0°F (2021) | 2.81 in (2007) |
| May 7 | 88.0°F (2016) | 33.1°F (2003) | 1.68 in (2015) |
| May 8 | 95.0°F (2014) | 32.0°F (2010) | 0.65 in (2019) |
| May 9 | 93.9°F (2017) | 28.0°F (2020) | 1.70 in (2021) |
| May 10 | 98.1°F (2011) | 28.0°F (2020) | 0.95 in (2013) |
| May 11 | 98.1°F (2011) | 28.0°F (2020) | 2.71 in (2005) |
| May 12 | 97.0°F (2022) | 30.0°F (2013) | 3.13 in (2014) |
| May 13 | 100.0°F (2022) | 30.0°F (2013) | 2.75 in (2023) |
| May 14 | 90.0°F (2007) | 32.0°F (2016) | 1.62 in (2018) |
| May 15 | 104.0°F (2013) | 32.0°F (2014) | 0.42 in (2015) |
| May 16 | 91.9°F (2017) | 28.0°F (2014) | 0.50 in (2024) |
| May 17 | 93.0°F (2019) | 28.9°F (2014) | 1.63 in (2017) |
| May 18 | 91.0°F (2012) | 32.0°F (2014) | 1.63 in (2022) |
| May 19 | 93.0°F (2012) | 35.1°F (2015) | 0.62 in (2013) |
| May 20 | 93.9°F (2022) | 35.1°F (2015) | 1.62 in (2025) |
| May 21 | 90.0°F (2009) | 35.1°F (2019) | 3.56 in (2024) |
| May 22 | 89.1°F (2004) | 32.0°F (2022) | 1.32 in (2024) |
| May 23 | 89.1°F (2010) | 35.1°F (2022) | 0.97 in (2008) |
| May 24 | 93.0°F (2006) | 45.0°F (2017) | 2.13 in (2019) |
| May 25 | 91.9°F (2010) | 44.1°F (2007) | 0.54 in (2011) |
| May 26 | 91.9°F (2018) | 45.0°F (2003) | 1.78 in (2011) |
| May 27 | 98.1°F (2018) | 45.0°F (2011) | 1.50 in (2021) |
| May 28 | 100.9°F (2018) | 43.0°F (2005) | 0.64 in (2008) |
| May 29 | 95.0°F (2018) | 39.0°F (2021) | 0.31 in (2019) |
| May 30 | 91.0°F (2010) | 39.0°F (2021) | 3.72 in (2008) |
| May 31 | 91.9°F (2023) | 41.0°F (2012) | 0.70 in (2011) |