April weather in Marietta, IL
The average temperature in Marietta in April is 51.7°F (39.8°F–63.6°F). Average precipitation: 3.79 inches. Average snowfall is 1.0 inches.
April is a spring month in Marietta, and is warmer than the annual average of 51.5°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 5m. For travel, April is a comfortable month to visit.
Avg High
63.6°F
Avg Low
39.8°F
Precipitation
3.79 in
Snow
1.0 in
April records in Marietta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 82.0°F (2010) | 23.0°F (2021) | 0.17 in (2008) |
| April 2 | 90.0°F (2012) | 5.0°F (2018) | 0.79 in (2024) |
| April 3 | 84.0°F (2012) | 3.9°F (2018) | 1.82 in (2014) |
| April 4 | 87.1°F (2011) | 21.0°F (2013) | 0.38 in (2011) |
| April 5 | 88.0°F (2023) | 21.0°F (2018) | 1.10 in (2003) |
| April 6 | 81.0°F (2021) | 26.1°F (2007) | 0.58 in (2022) |
| April 7 | 84.0°F (2010) | 17.1°F (2018) | 1.25 in (2006) |
| April 8 | 79.0°F (2020) | 17.1°F (2018) | 1.81 in (2021) |
| April 9 | 89.1°F (2020) | 21.0°F (2018) | 1.11 in (2008) |
| April 10 | 82.0°F (2011) | 24.1°F (2016) | 0.23 in (2015) |
| April 11 | 86.0°F (2011) | 27.0°F (2012) | 1.59 in (2021) |
| April 12 | 80.1°F (2023) | 27.0°F (2012) | 1.02 in (2005) |
| April 13 | 84.0°F (2014) | 25.0°F (2004) | 1.25 in (2009) |
| April 14 | 88.0°F (2006) | 25.0°F (2004) | 0.69 in (2022) |
| April 15 | 89.1°F (2006) | 26.1°F (2014) | 0.36 in (2012) |
| April 16 | 84.0°F (2010) | 26.1°F (2014) | 0.71 in (2011) |
| April 17 | 87.1°F (2004) | 28.0°F (2018) | 0.64 in (2020) |
| April 18 | 87.1°F (2004) | 28.0°F (2018) | 5.87 in (2013) |
| April 19 | 84.0°F (2004) | 28.9°F (2022) | 0.98 in (2009) |
| April 20 | 82.0°F (2017) | 28.9°F (2013) | 0.69 in (2009) |
| April 21 | 84.0°F (2014) | 28.0°F (2021) | 0.74 in (2004) |
| April 22 | 82.0°F (2019) | 28.0°F (2021) | 1.62 in (2005) |
| April 23 | 84.9°F (2007) | 28.9°F (2021) | 0.62 in (2008) |
| April 24 | 82.9°F (2022) | 28.9°F (2023) | 0.71 in (2013) |
| April 25 | 82.9°F (2009) | 28.9°F (2023) | 1.79 in (2007) |
| April 26 | 84.0°F (2016) | 30.0°F (2022) | 0.90 in (2015) |
| April 27 | 84.0°F (2021) | 30.0°F (2022) | 1.29 in (2024) |
| April 28 | 86.0°F (2021) | 30.0°F (2019) | 1.60 in (2024) |
| April 29 | 82.9°F (2004) | 30.0°F (2019) | 0.86 in (2021) |
| April 30 | 84.9°F (2007) | 32.0°F (2008) | 1.87 in (2017) |