July weather in South Jacksonville, IL
The average temperature in South Jacksonville in July is 76.1°F (65.4°F–86.9°F). Average precipitation: 3.97 inches.
July is a summer month in South Jacksonville, and is warmer than the annual average of 52.8°F. Daily temperatures swing about 21.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 33m. For travel, July is a comfortable month to visit.
Avg High
86.9°F
Avg Low
65.4°F
Precipitation
3.97 in
Daylight
14h 33m
July records in South Jacksonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 99.0°F (2012) | 51.1°F (2024) | 0.82 in (2023) |
| July 2 | 96.1°F (2012) | 57.0°F (2010) | 1.67 in (2020) |
| July 3 | 100.9°F (2012) | 55.9°F (2014) | 1.74 in (1950) |
| July 4 | 99.0°F (2012) | 57.0°F (2014) | 1.30 in (2019) |
| July 5 | 100.9°F (2012) | 57.0°F (2014) | 0.64 in (1948) |
| July 6 | 104.0°F (2012) | 51.1°F (2006) | 0.41 in (2023) |
| July 7 | 104.0°F (2012) | 55.9°F (2018) | 1.85 in (2015) |
| July 8 | 104.0°F (2012) | 57.0°F (2015) | 1.81 in (2022) |
| July 9 | 93.0°F (2007) | 55.0°F (2015) | 2.29 in (2015) |
| July 10 | 95.0°F (2007) | 57.9°F (2014) | 1.04 in (2024) |
| July 11 | 95.0°F (2018) | 57.0°F (2014) | 1.01 in (1951) |
| July 12 | 97.0°F (2011) | 59.0°F (2013) | 2.35 in (2015) |
| July 13 | 95.0°F (2012) | 60.1°F (2008) | 0.96 in (2014) |
| July 14 | 93.9°F (2006) | 57.0°F (2007) | 1.42 in (2016) |
| July 15 | 95.0°F (2018) | 53.1°F (2014) | 2.29 in (2009) |
| July 16 | 96.1°F (2012) | 53.1°F (2014) | 1.27 in (2021) |
| July 17 | 97.0°F (2006) | 54.0°F (2014) | 0.37 in (2022) |
| July 18 | 100.0°F (2012) | 55.0°F (2014) | 1.05 in (2022) |
| July 19 | 102.9°F (2012) | 55.9°F (2009) | 1.28 in (2010) |
| July 20 | 100.0°F (2012) | 55.9°F (2009) | 1.99 in (2010) |
| July 21 | 98.1°F (2011) | 53.1°F (2007) | 2.24 in (2010) |
| July 22 | 99.0°F (2011) | 55.0°F (2007) | 4.16 in (2013) |
| July 23 | 97.0°F (2011) | 57.0°F (2007) | 0.34 in (1951) |
| July 24 | 104.0°F (2012) | 57.0°F (2014) | 0.16 in (2023) |
| July 25 | 100.0°F (2012) | 57.0°F (2013) | 3.28 in (1948) |
| July 26 | 102.0°F (2012) | 59.0°F (2013) | 0.89 in (2022) |
| July 27 | 96.1°F (2011) | 55.9°F (2013) | 1.44 in (1951) |
| July 28 | 99.0°F (2023) | 51.1°F (2013) | 1.25 in (2008) |
| July 29 | 100.0°F (2023) | 52.0°F (2013) | 0.88 in (2009) |
| July 30 | 97.0°F (2006) | 55.9°F (2013) | 2.37 in (2018) |
| July 31 | 100.9°F (2006) | 57.9°F (2014) | 1.00 in (2013) |