May weather in Ionia, MO
The average temperature in Ionia in May is 63.5°F (53.6°F–73.5°F). Average precipitation: 5.06 inches. Average snowfall is 0.2 inches.
May is a spring month in Ionia, and is warmer than the annual average of 54.1°F. Daily temperatures swing about 19.9°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 6m. For travel, May is a wet month.
Avg High
73.5°F
Avg Low
53.6°F
Precipitation
5.06 in
Snow
0.2 in
May records in Ionia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.9°F (2013) | 39.0°F (2014) | 2.80 in (2019) |
| May 2 | 82.9°F (2013) | 36.0°F (2011) | 0.61 in (2008) |
| May 3 | 84.9°F (2012) | 32.0°F (2013) | 0.75 in (2022) |
| May 4 | 82.0°F (2015) | 32.0°F (2013) | 1.07 in (2017) |
| May 5 | 88.0°F (2007) | 33.1°F (2013) | 1.15 in (2022) |
| May 6 | 87.1°F (2012) | 37.9°F (2011) | 0.23 in (2024) |
| May 7 | 90.0°F (2023) | 37.9°F (2011) | 0.64 in (2007) |
| May 8 | 90.0°F (2023) | 41.0°F (2010) | 1.49 in (2008) |
| May 9 | 84.9°F (2011) | 33.1°F (2020) | 3.77 in (2024) |
| May 10 | 91.0°F (2022) | 35.1°F (2020) | 0.46 in (2015) |
| May 11 | 89.1°F (2022) | 37.0°F (2020) | 1.45 in (2010) |
| May 12 | 90.0°F (2022) | 37.0°F (2013) | 1.33 in (2010) |
| May 13 | 91.0°F (2022) | 36.0°F (2013) | 0.52 in (2023) |
| May 14 | 89.1°F (2018) | 41.0°F (2016) | 0.93 in (2024) |
| May 15 | 87.1°F (2013) | 36.0°F (2016) | 0.55 in (2020) |
| May 16 | 84.9°F (2013) | 30.9°F (2014) | 1.22 in (2009) |
| May 17 | 84.9°F (2019) | 30.9°F (2014) | 1.44 in (2015) |
| May 18 | 84.0°F (2019) | 34.0°F (2014) | 0.82 in (2022) |
| May 19 | 88.0°F (2006) | 44.1°F (2014) | 1.12 in (2017) |
| May 20 | 87.1°F (2024) | 44.1°F (2023) | 1.69 in (2018) |
| May 21 | 84.9°F (2014) | 44.1°F (2015) | 1.98 in (2019) |
| May 22 | 84.9°F (2024) | 43.0°F (2015) | 0.91 in (2019) |
| May 23 | 86.0°F (2010) | 44.1°F (2015) | 1.61 in (2019) |
| May 24 | 87.1°F (2010) | 46.0°F (2017) | 0.09 in (2025) |
| May 25 | 90.0°F (2010) | 44.1°F (2017) | 0.62 in (2014) |
| May 26 | 89.1°F (2012) | 45.0°F (2017) | 1.30 in (2009) |
| May 27 | 91.0°F (2012) | 50.0°F (2011) | 1.93 in (2016) |
| May 28 | 91.0°F (2018) | 51.1°F (2022) | 1.07 in (2021) |
| May 29 | 91.9°F (2018) | 45.0°F (2021) | 0.73 in (2020) |
| May 30 | 90.0°F (2011) | 42.1°F (2021) | 0.44 in (2015) |
| May 31 | 86.0°F (2009) | 48.0°F (2021) | 0.94 in (2013) |