April weather in Jacksonville, IL
The average temperature in Jacksonville in April is 52.7°F (40.5°F–65.0°F). Average precipitation: 4.46 inches.
April is a spring month in Jacksonville, and is cooler than the annual average of 52.8°F. Daily temperatures swing about 24.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 3m. For travel, April is a comfortable month to visit.
Avg High
65.0°F
Avg Low
40.5°F
Precipitation
4.46 in
Daylight
13h 3m
April records in Jacksonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 82.9°F (2010) | 23.0°F (2021) | 0.71 in (2008) |
| April 2 | 88.0°F (2012) | 16.0°F (2018) | 1.43 in (2024) |
| April 3 | 91.9°F (2012) | 16.0°F (2018) | 1.66 in (2014) |
| April 4 | 87.1°F (2011) | 25.0°F (2018) | 0.92 in (2007) |
| April 5 | 86.0°F (2023) | 23.0°F (2018) | 0.98 in (2017) |
| April 6 | 79.0°F (2021) | 24.1°F (2018) | 0.96 in (2006) |
| April 7 | 84.0°F (2010) | 18.0°F (2018) | 0.61 in (2006) |
| April 8 | 82.9°F (2006) | 18.0°F (2018) | 0.60 in (2021) |
| April 9 | 77.0°F (2013) | 24.1°F (2016) | 0.64 in (2011) |
| April 10 | 84.9°F (2011) | 25.0°F (2016) | 1.16 in (2009) |
| April 11 | 88.0°F (2011) | 28.0°F (2018) | 1.95 in (2013) |
| April 12 | 81.0°F (2010) | 30.0°F (2016) | 0.63 in (2005) |
| April 13 | 82.9°F (2018) | 28.9°F (2007) | 0.86 in (2009) |
| April 14 | 88.0°F (2006) | 30.0°F (2007) | 2.15 in (2018) |
| April 15 | 91.9°F (2006) | 26.1°F (2014) | 0.50 in (2012) |
| April 16 | 88.0°F (2006) | 27.0°F (2014) | 0.97 in (2023) |
| April 17 | 82.9°F (2006) | 27.0°F (2018) | 0.62 in (2013) |
| April 18 | 84.9°F (2026) | 27.0°F (2018) | 1.13 in (2019) |
| April 19 | 82.0°F (2016) | 28.0°F (2022) | 0.69 in (2008) |
| April 20 | 84.9°F (2017) | 28.0°F (2013) | 1.16 in (2015) |
| April 21 | 82.9°F (2014) | 27.0°F (2021) | 0.87 in (2025) |
| April 22 | 81.0°F (2019) | 27.0°F (2021) | 0.28 in (2005) |
| April 23 | 82.9°F (2007) | 30.0°F (2021) | 0.96 in (2011) |
| April 24 | 82.0°F (2008) | 28.9°F (2023) | 0.43 in (2010) |
| April 25 | 86.0°F (2009) | 34.0°F (2023) | 1.19 in (2004) |
| April 26 | 88.0°F (2009) | 32.0°F (2022) | 0.59 in (2008) |
| April 27 | 86.0°F (2009) | 33.1°F (2022) | 1.52 in (2010) |
| April 28 | 82.9°F (2021) | 36.0°F (2015) | 1.39 in (2009) |
| April 29 | 84.9°F (2025) | 32.0°F (2008) | 1.49 in (2024) |
| April 30 | 87.1°F (2007) | 35.1°F (2008) | 3.52 in (2017) |