May weather in Seymour, MO
The average temperature in Seymour in May is 64.2°F (52.2°F–76.1°F). Average precipitation: 5.60 inches.
May is a spring month in Seymour, and is warmer than the annual average of 54.9°F. Daily temperatures swing about 23.9°F between overnight low and afternoon high. Daylight averages about 13h 60m. For travel, May is a wet month.
Avg High
76.1°F
Avg Low
52.2°F
Precipitation
5.60 in
Daylight
13h 60m
May records in Seymour
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.0°F (2024) | 35.1°F (2015) | 6.07 in (2019) |
| May 2 | 84.0°F (2012) | 36.0°F (2017) | 1.10 in (2011) |
| May 3 | 87.1°F (2020) | 33.1°F (2013) | 1.88 in (2022) |
| May 4 | 82.9°F (2012) | 33.1°F (2008) | 0.52 in (2021) |
| May 5 | 91.9°F (2014) | 34.0°F (2011) | 2.46 in (2022) |
| May 6 | 91.9°F (2014) | 36.0°F (2016) | 1.51 in (2022) |
| May 7 | 87.1°F (2012) | 37.0°F (2020) | 0.88 in (2019) |
| May 8 | 90.0°F (2015) | 37.9°F (2020) | 1.13 in (2008) |
| May 9 | 89.1°F (2023) | 30.9°F (2020) | 1.97 in (2014) |
| May 10 | 89.1°F (2011) | 30.9°F (2020) | 1.24 in (2007) |
| May 11 | 90.0°F (2022) | 33.1°F (2020) | 1.11 in (2015) |
| May 12 | 91.9°F (2022) | 33.1°F (2013) | 1.10 in (2020) |
| May 13 | 93.9°F (2022) | 37.0°F (2008) | 1.45 in (2011) |
| May 14 | 91.0°F (2022) | 37.9°F (2021) | 1.13 in (2009) |
| May 15 | 89.1°F (2013) | 36.0°F (2016) | 1.24 in (2010) |
| May 16 | 93.9°F (2022) | 36.0°F (2008) | 0.84 in (2008) |
| May 17 | 86.0°F (2019) | 35.1°F (2011) | 2.51 in (2020) |
| May 18 | 84.0°F (2019) | 37.0°F (2009) | 1.00 in (2018) |
| May 19 | 89.1°F (2022) | 37.9°F (2009) | 0.50 in (2019) |
| May 20 | 89.1°F (2024) | 42.1°F (2009) | 1.85 in (2017) |
| May 21 | 89.1°F (2022) | 42.1°F (2009) | 2.35 in (2019) |
| May 22 | 87.1°F (2024) | 37.0°F (2015) | 0.53 in (2019) |
| May 23 | 88.0°F (2010) | 39.0°F (2015) | 1.47 in (2020) |
| May 24 | 87.1°F (2010) | 44.1°F (2012) | 5.17 in (2025) |
| May 25 | 88.0°F (2010) | 39.9°F (2017) | 1.82 in (2011) |
| May 26 | 89.1°F (2012) | 42.1°F (2017) | 1.98 in (2024) |
| May 27 | 95.0°F (2012) | 45.0°F (2023) | 0.55 in (2008) |
| May 28 | 95.0°F (2012) | 46.0°F (2023) | 2.57 in (2021) |
| May 29 | 93.9°F (2012) | 48.9°F (2009) | 0.84 in (2020) |
| May 30 | 93.0°F (2012) | 45.0°F (2021) | 2.20 in (2015) |
| May 31 | 87.1°F (2018) | 46.9°F (2021) | 2.70 in (2013) |