April weather in Romeoville, IL
The average temperature in Romeoville in April is 50.3°F (39.6°F–61.0°F). Average precipitation: 4.11 inches. Average snowfall is 0.9 inches.
April is a spring month in Romeoville, and is cooler than the annual average of 50.9°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 13h 8m. For travel, April is a comfortable month to visit.
Avg High
61.0°F
Avg Low
39.6°F
Precipitation
4.11 in
Snow
0.9 in
April records in Romeoville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 82.9°F (2003) | 21.0°F (2018) | 0.59 in (2024) |
| April 2 | 81.0°F (2010) | 18.0°F (2018) | 1.84 in (2025) |
| April 3 | 79.0°F (2012) | 21.9°F (2013) | 1.53 in (2014) |
| April 4 | 75.9°F (2005) | 24.1°F (2018) | 1.46 in (2003) |
| April 5 | 77.0°F (2005) | 19.0°F (2018) | 0.89 in (2017) |
| April 6 | 80.1°F (2021) | 21.9°F (2007) | 0.67 in (2022) |
| April 7 | 82.0°F (2021) | 17.1°F (2018) | 0.62 in (1998) |
| April 8 | 79.0°F (2001) | 19.0°F (2018) | 1.37 in (1999) |
| April 9 | 77.0°F (2017) | 21.9°F (2016) | 0.49 in (2015) |
| April 10 | 82.9°F (2011) | 23.0°F (2018) | 1.36 in (2013) |
| April 11 | 79.0°F (2005) | 28.9°F (2000) | 1.48 in (2007) |
| April 12 | 81.0°F (2023) | 27.0°F (2000) | 1.60 in (2005) |
| April 13 | 82.9°F (2006) | 28.9°F (2007) | 0.77 in (2009) |
| April 14 | 84.9°F (2003) | 27.0°F (2020) | 0.86 in (2018) |
| April 15 | 88.0°F (2002) | 24.1°F (2014) | 1.35 in (1999) |
| April 16 | 88.0°F (2002) | 25.0°F (2020) | 2.23 in (2006) |
| April 17 | 84.0°F (2002) | 27.1°F (2022) | 2.27 in (2013) |
| April 18 | 89.1°F (2002) | 27.0°F (2001) | 1.85 in (2013) |
| April 19 | 81.0°F (2005) | 31.1°F (2022) | 0.93 in (2011) |
| April 20 | 78.1°F (2014) | 28.9°F (2013) | 1.62 in (2004) |
| April 21 | 79.0°F (2001) | 30.0°F (2011) | 0.45 in (2001) |
| April 22 | 82.9°F (2007) | 27.1°F (2021) | 1.34 in (2011) |
| April 23 | 82.9°F (2022) | 28.9°F (2015) | 0.65 in (2013) |
| April 24 | 82.9°F (2009) | 30.9°F (2015) | 0.66 in (2004) |
| April 25 | 82.0°F (2008) | 32.0°F (2024) | 2.82 in (2007) |
| April 26 | 82.0°F (2009) | 32.0°F (2023) | 0.61 in (2007) |
| April 27 | 86.0°F (2021) | 31.1°F (2022) | 2.02 in (1999) |
| April 28 | 82.9°F (2025) | 30.9°F (2019) | 2.05 in (2024) |
| April 29 | 81.0°F (2007) | 30.9°F (2018) | 2.51 in (2017) |
| April 30 | 87.1°F (2001) | 34.0°F (2005) | 1.40 in (2019) |