April weather in Cahokia Heights, IL
The average temperature in Cahokia Heights in April is 56.5°F (45.5°F–67.5°F). Average precipitation: 4.48 inches.
April is a spring month in Cahokia Heights, and is warmer than the annual average of 56.5°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 1m. For travel, April is a comfortable month to visit.
Avg High
67.5°F
Avg Low
45.5°F
Precipitation
4.48 in
Daylight
13h 1m
April records in Cahokia Heights
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 90.0°F (2012) | 28.2°F (2019) | 0.82 in (2024) |
| April 2 | 88.0°F (2012) | 25.2°F (2021) | 0.98 in (2025) |
| April 3 | 86.0°F (2011) | 29.1°F (2013) | 1.60 in (2014) |
| April 4 | 84.0°F (2023) | 28.0°F (2002) | 2.48 in (2025) |
| April 5 | 82.0°F (2010) | 26.1°F (2002) | 1.24 in (2017) |
| April 6 | 84.0°F (2010) | 29.1°F (2007) | 0.32 in (2016) |
| April 7 | 87.1°F (2020) | 24.3°F (2007) | 1.13 in (2015) |
| April 8 | 89.1°F (2020) | 26.2°F (2018) | 0.87 in (2002) |
| April 9 | 91.0°F (2001) | 24.3°F (2007) | 1.13 in (2009) |
| April 10 | 86.0°F (2011) | 30.0°F (2003) | 1.73 in (2008) |
| April 11 | 81.0°F (2002) | 32.0°F (2003) | 0.92 in (2016) |
| April 12 | 84.0°F (2006) | 30.9°F (2000) | 0.68 in (2020) |
| April 13 | 86.0°F (2006) | 30.9°F (2000) | 1.46 in (2014) |
| April 14 | 91.9°F (2006) | 28.9°F (2004) | 1.23 in (2012) |
| April 15 | 89.1°F (2024) | 29.1°F (2008) | 1.86 in (1998) |
| April 16 | 89.1°F (2006) | 31.1°F (2018) | 0.70 in (2013) |
| April 17 | 86.0°F (2002) | 28.2°F (2018) | 0.18 in (2026) |
| April 18 | 91.0°F (2002) | 28.9°F (2001) | 3.14 in (2013) |
| April 19 | 88.0°F (2017) | 33.1°F (2022) | 2.47 in (2025) |
| April 20 | 82.9°F (2005) | 32.0°F (2013) | 0.74 in (2025) |
| April 21 | 81.0°F (1999) | 31.1°F (2021) | 0.81 in (2005) |
| April 22 | 84.9°F (2019) | 30.9°F (2000) | 0.85 in (2011) |
| April 23 | 84.9°F (2022) | 34.0°F (2003) | 1.05 in (2013) |
| April 24 | 87.1°F (2009) | 30.2°F (2023) | 1.02 in (2003) |
| April 25 | 88.0°F (2012) | 37.0°F (2013) | 0.87 in (2011) |
| April 26 | 84.9°F (2009) | 36.0°F (2000) | 1.44 in (2024) |
| April 27 | 86.0°F (2001) | 34.0°F (2006) | 1.11 in (2011) |
| April 28 | 86.0°F (2025) | 37.9°F (2010) | 2.13 in (2012) |
| April 29 | 87.1°F (2007) | 32.0°F (2008) | 2.60 in (2017) |
| April 30 | 91.0°F (2007) | 37.9°F (2005) | 1.90 in (2017) |