May weather in Stanley, IA
The average temperature in Stanley in May is 57.9°F (46.4°F–69.5°F). Average precipitation: 4.84 inches.
May is a spring month in Stanley, and is warmer than the annual average of 45.4°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Daylight averages about 14h 26m. For travel, May is a comfortable month to visit.
Avg High
69.5°F
Avg Low
46.4°F
Precipitation
4.84 in
Daylight
14h 26m
May records in Stanley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (2013) | 32.0°F (2015) | 0.89 in (2017) |
| May 2 | 90.0°F (2021) | 25.0°F (2011) | 1.03 in (2024) |
| May 3 | 87.1°F (2021) | 30.0°F (2023) | 0.71 in (2022) |
| May 4 | 84.0°F (2012) | 24.1°F (2011) | 0.92 in (2013) |
| May 5 | 82.9°F (2010) | 30.0°F (2011) | 0.30 in (2020) |
| May 6 | 81.0°F (2018) | 34.0°F (2011) | 0.96 in (2019) |
| May 7 | 87.1°F (2016) | 34.0°F (2021) | 1.03 in (2008) |
| May 8 | 84.0°F (2014) | 30.9°F (2021) | 0.71 in (2019) |
| May 9 | 81.0°F (2018) | 21.0°F (2020) | 1.33 in (2024) |
| May 10 | 87.1°F (2022) | 27.0°F (2020) | 1.13 in (2013) |
| May 11 | 91.0°F (2011) | 34.0°F (2021) | 0.87 in (2010) |
| May 12 | 91.9°F (2022) | 24.1°F (2020) | 1.45 in (2014) |
| May 13 | 93.9°F (2022) | 30.0°F (2013) | 2.47 in (2010) |
| May 14 | 86.0°F (2022) | 30.0°F (2013) | 0.74 in (2020) |
| May 15 | 95.0°F (2013) | 30.0°F (2016) | 0.56 in (2015) |
| May 16 | 89.1°F (2012) | 34.0°F (2014) | 0.38 in (2014) |
| May 17 | 88.0°F (2015) | 28.0°F (2014) | 0.74 in (2020) |
| May 18 | 84.9°F (2018) | 28.0°F (2014) | 0.54 in (2017) |
| May 19 | 89.1°F (2024) | 37.0°F (2016) | 0.58 in (2021) |
| May 20 | 89.1°F (2022) | 37.9°F (2019) | 2.59 in (2013) |
| May 21 | 84.9°F (2009) | 36.0°F (2008) | 1.89 in (2024) |
| May 22 | 82.0°F (2007) | 36.0°F (2022) | 0.78 in (2019) |
| May 23 | 82.9°F (2016) | 33.1°F (2022) | 0.19 in (2017) |
| May 24 | 90.0°F (2010) | 42.1°F (2013) | 1.32 in (2019) |
| May 25 | 93.0°F (2010) | 41.0°F (2007) | 1.17 in (2022) |
| May 26 | 87.1°F (2018) | 37.0°F (2023) | 2.88 in (2008) |
| May 27 | 91.0°F (2018) | 42.1°F (2011) | 0.83 in (2013) |
| May 28 | 93.0°F (2018) | 39.9°F (2021) | 0.65 in (2016) |
| May 29 | 95.0°F (2018) | 33.1°F (2021) | 3.08 in (2020) |
| May 30 | 91.0°F (2018) | 39.0°F (2021) | 3.12 in (2008) |
| May 31 | 91.0°F (2010) | 39.0°F (2009) | 1.13 in (2016) |