May weather in Winona, MO
The average temperature in Winona in May is 62.8°F (50.4°F–75.1°F). Average precipitation: 6.57 inches.
May is a spring month in Winona, and is warmer than the annual average of 54°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Daylight averages about 13h 59m. For travel, May is a wet month.
Avg High
75.1°F
Avg Low
50.4°F
Precipitation
6.57 in
Daylight
13h 59m
May records in Winona
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.9°F (2013) | 30.0°F (2014) | 1.99 in (2019) |
| May 2 | 84.9°F (2012) | 28.9°F (2023) | 0.65 in (2024) |
| May 3 | 86.0°F (2020) | 28.0°F (2023) | 1.39 in (2022) |
| May 4 | 82.0°F (2014) | 30.0°F (2023) | 1.83 in (2017) |
| May 5 | 91.0°F (2014) | 33.1°F (2013) | 1.58 in (2020) |
| May 6 | 89.1°F (2014) | 35.1°F (2016) | 1.52 in (2022) |
| May 7 | 86.0°F (2012) | 33.1°F (2020) | 2.04 in (2012) |
| May 8 | 84.9°F (2016) | 36.0°F (2020) | 0.45 in (2020) |
| May 9 | 87.1°F (2023) | 28.0°F (2020) | 0.68 in (2021) |
| May 10 | 86.0°F (2018) | 30.9°F (2020) | 2.64 in (2016) |
| May 11 | 90.0°F (2022) | 30.0°F (2020) | 1.73 in (2015) |
| May 12 | 91.0°F (2022) | 32.0°F (2013) | 2.39 in (2016) |
| May 13 | 93.0°F (2022) | 30.9°F (2021) | 1.39 in (2020) |
| May 14 | 91.0°F (2022) | 33.1°F (2021) | 0.64 in (2024) |
| May 15 | 90.0°F (2013) | 35.1°F (2016) | 0.87 in (2018) |
| May 16 | 84.9°F (2019) | 32.0°F (2014) | 0.74 in (2015) |
| May 17 | 87.1°F (2019) | 35.1°F (2011) | 1.24 in (2020) |
| May 18 | 84.0°F (2019) | 37.0°F (2011) | 1.55 in (2020) |
| May 19 | 88.0°F (2022) | 41.0°F (2016) | 0.44 in (2025) |
| May 20 | 87.1°F (2024) | 45.0°F (2019) | 1.75 in (2017) |
| May 21 | 86.0°F (2012) | 42.1°F (2023) | 1.65 in (2019) |
| May 22 | 84.0°F (2024) | 36.0°F (2015) | 0.84 in (2022) |
| May 23 | 86.0°F (2018) | 43.0°F (2012) | 1.16 in (2011) |
| May 24 | 86.0°F (2019) | 43.0°F (2013) | 0.84 in (2011) |
| May 25 | 87.1°F (2019) | 39.9°F (2013) | 3.24 in (2016) |
| May 26 | 89.1°F (2012) | 44.1°F (2023) | 1.63 in (2024) |
| May 27 | 93.0°F (2012) | 39.9°F (2023) | 1.63 in (2020) |
| May 28 | 91.9°F (2012) | 42.1°F (2022) | 1.13 in (2017) |
| May 29 | 91.9°F (2012) | 45.0°F (2022) | 0.75 in (2020) |
| May 30 | 91.9°F (2012) | 37.0°F (2021) | 0.64 in (2019) |
| May 31 | 88.0°F (2018) | 39.0°F (2021) | 2.15 in (2015) |