May weather in Weldon, IL
The average temperature in Weldon in May is °F (°F–°F). Average precipitation: 4.06 inches.
May is a spring month in Weldon, and is cooler than the annual average of 0°F. Expect about 12 days with precipitation. Daylight averages about 14h 13m.
Avg High
°F
Avg Low
°F
Precipitation
4.06 in
Daylight
14h 13m
May records in Weldon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2001) | 46.0°F (2000) | 1.89 in (2025) |
| May 2 | 82.0°F (2001) | 42.1°F (2000) | 0.96 in (2025) |
| May 3 | 82.9°F (2001) | 46.9°F (2000) | 1.15 in (2019) |
| May 4 | 84.9°F (2001) | 59.0°F (2000) | 1.68 in (2013) |
| May 5 | 82.9°F (2001) | 55.9°F (2001) | 1.37 in (2003) |
| May 6 | 84.9°F (2001) | 60.1°F (2001) | 0.76 in (2022) |
| May 7 | 84.0°F (2001) | 59.0°F (2001) | 0.26 in (2023) |
| May 8 | 81.0°F (2000) | 50.0°F (2001) | 0.61 in (2008) |
| May 9 | 84.0°F (2000) | 55.0°F (2001) | 2.21 in (2023) |
| May 10 | 82.0°F (2001) | 48.9°F (2000) | 0.89 in (2016) |
| May 11 | 84.9°F (2001) | 53.1°F (2000) | 1.16 in (2010) |
| May 12 | 84.0°F (2000) | 46.9°F (2001) | 0.89 in (2015) |
| May 13 | 88.0°F (2000) | 37.9°F (2001) | 1.41 in (2014) |
| May 14 | 70.0°F (2001) | 41.0°F (2000) | 1.71 in (2009) |
| May 15 | 80.1°F (2001) | 44.1°F (2000) | 0.61 in (2014) |
| May 16 | 90.0°F (2001) | 52.0°F (2000) | 1.07 in (2009) |
| May 17 | 91.9°F (2001) | 57.9°F (2000) | 0.75 in (2020) |
| May 18 | 88.0°F (2001) | 63.0°F (2000) | 1.23 in (2020) |
| May 19 | 79.0°F (2000) | 48.9°F (2000) | 0.93 in (2017) |
| May 20 | 80.1°F (2001) | 48.0°F (2000) | 0.94 in (2025) |
| May 21 | 80.1°F (2001) | 45.0°F (2000) | 1.07 in (2013) |
| May 22 | 73.0°F (2000) | 46.9°F (2001) | 0.96 in (2019) |
| May 23 | 77.0°F (2000) | 46.0°F (2001) | 0.34 in (2019) |
| May 24 | 82.0°F (2000) | 45.0°F (2001) | 0.38 in (2008) |
| May 25 | 84.0°F (2000) | 43.0°F (2001) | 1.10 in (2010) |
| May 26 | 78.1°F (2000) | 48.0°F (2001) | 1.87 in (2011) |
| May 27 | 70.0°F (2001) | 46.9°F (2001) | 1.23 in (2000) |
| May 28 | 79.0°F (2000) | 44.1°F (2001) | 1.25 in (2016) |
| May 29 | 73.0°F (2001) | 45.0°F (2001) | 1.30 in (2020) |
| May 30 | 78.1°F (2001) | 51.1°F (2001) | 0.72 in (2015) |
| May 31 | 84.0°F (2000) | 53.1°F (2001) | 1.41 in (2015) |