May weather in Cullom, IL
The average temperature in Cullom in May is °F (°F–°F). Average precipitation: 4.22 inches.
May is a spring month in Cullom, and is cooler than the annual average of 0°F. Expect about 11 days with precipitation. Daylight averages about 14h 17m.
Avg High
°F
Avg Low
°F
Precipitation
4.22 in
Daylight
14h 17m
May records in Cullom
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | — | — | 2.37 in (2019) |
| May 2 | — | — | 0.78 in (2000) |
| May 3 | — | — | 0.88 in (2022) |
| May 4 | — | — | 0.70 in (2021) |
| May 5 | — | — | 0.97 in (2003) |
| May 6 | — | — | 0.65 in (2022) |
| May 7 | — | — | 1.16 in (1998) |
| May 8 | — | — | 0.84 in (1998) |
| May 9 | — | — | 1.78 in (2017) |
| May 10 | — | — | 1.15 in (2016) |
| May 11 | — | — | 1.47 in (2008) |
| May 12 | — | — | 2.43 in (2002) |
| May 13 | — | — | 0.90 in (2014) |
| May 14 | — | — | 3.67 in (2024) |
| May 15 | — | — | 1.30 in (2020) |
| May 16 | — | — | 0.80 in (2009) |
| May 17 | — | — | 0.82 in (2020) |
| May 18 | — | — | 1.00 in (2020) |
| May 19 | — | — | 0.78 in (2000) |
| May 20 | — | — | 1.10 in (1996) |
| May 21 | — | — | 0.80 in (2025) |
| May 22 | — | — | 0.53 in (2010) |
| May 23 | — | — | 0.53 in (2019) |
| May 24 | — | — | 1.01 in (1996) |
| May 25 | — | — | 0.75 in (2004) |
| May 26 | — | — | 1.08 in (2021) |
| May 27 | — | — | 2.50 in (2013) |
| May 28 | — | — | 1.15 in (1996) |
| May 29 | — | — | 0.75 in (2013) |
| May 30 | — | — | 0.85 in (2019) |
| May 31 | — | — | 2.73 in (2008) |