May weather in Allenville, IL
The average temperature in Allenville in May is 64.0°F (53.4°F–74.6°F). Average precipitation: 4.98 inches.
May is a spring month in Allenville, and is warmer than the annual average of 53°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 11m. For travel, May is a comfortable month to visit.
Avg High
74.6°F
Avg Low
53.4°F
Precipitation
4.98 in
Daylight
14h 11m
May records in Allenville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2007) | 34.0°F (2015) | 3.51 in (2017) |
| May 2 | 82.0°F (2007) | 36.0°F (2003) | 1.77 in (1998) |
| May 3 | 87.1°F (2018) | 28.9°F (2005) | 1.76 in (1996) |
| May 4 | 84.9°F (2001) | 28.9°F (2005) | 2.31 in (2017) |
| May 5 | 81.0°F (2015) | 34.0°F (2005) | 1.14 in (2002) |
| May 6 | 84.0°F (2001) | 39.0°F (2020) | 1.48 in (2002) |
| May 7 | 87.1°F (2012) | 39.0°F (2017) | 1.50 in (1943) |
| May 8 | 84.0°F (2004) | 36.0°F (2021) | 1.79 in (2023) |
| May 9 | 84.9°F (2003) | 30.0°F (2020) | 2.45 in (1949) |
| May 10 | 84.9°F (2003) | 34.0°F (2021) | 1.82 in (2003) |
| May 11 | 87.1°F (2022) | 39.9°F (2008) | 1.92 in (2002) |
| May 12 | 91.9°F (2022) | 35.1°F (2021) | 2.07 in (2002) |
| May 13 | 90.0°F (2022) | 37.9°F (2001) | 0.64 in (1942) |
| May 14 | 90.0°F (2018) | 37.9°F (2001) | 3.09 in (2009) |
| May 15 | 90.0°F (2018) | 43.0°F (2006) | 1.01 in (1943) |
| May 16 | 90.0°F (2001) | 39.0°F (2005) | 1.58 in (2009) |
| May 17 | 86.0°F (2001) | 33.1°F (2002) | 2.56 in (1943) |
| May 18 | 86.0°F (2018) | 37.0°F (2011) | 1.00 in (2021) |
| May 19 | 86.0°F (2017) | 39.9°F (2009) | 0.69 in (1949) |
| May 20 | 86.0°F (2013) | 33.1°F (2002) | 1.16 in (2025) |
| May 21 | 88.0°F (2012) | 37.9°F (2002) | 1.18 in (1947) |
| May 22 | 84.9°F (2004) | 42.1°F (2008) | 1.56 in (2019) |
| May 23 | 86.0°F (2007) | 42.1°F (2003) | 2.06 in (1998) |
| May 24 | 88.0°F (2010) | 37.9°F (2013) | 0.51 in (2004) |
| May 25 | 90.0°F (2010) | 39.0°F (2013) | 1.49 in (1944) |
| May 26 | 90.0°F (2018) | 45.0°F (2023) | 2.34 in (2011) |
| May 27 | 90.0°F (2012) | 45.0°F (2001) | 2.29 in (2002) |
| May 28 | 95.0°F (2018) | 46.9°F (2008) | 1.16 in (2013) |
| May 29 | 97.0°F (2018) | 45.0°F (2008) | 0.58 in (2019) |
| May 30 | 89.1°F (2006) | 42.1°F (2021) | 0.81 in (2019) |
| May 31 | 90.0°F (2002) | 39.0°F (2003) | 2.11 in (2008) |