July weather in East St. Louis, IL
The average temperature in East St. Louis in July is 78.9°F (68.8°F–89.0°F). Average precipitation: 3.70 inches.
July is a summer month in East St. Louis, and is warmer than the annual average of 56.5°F. Daily temperatures swing about 20.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 27m. For travel, July is hot.
Avg High
89.0°F
Avg Low
68.8°F
Precipitation
3.70 in
Daylight
14h 27m
July records in East St. Louis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 102.0°F (2012) | 54.0°F (2010) | 1.60 in (1999) |
| July 2 | 102.0°F (2012) | 55.0°F (2001) | 1.13 in (2004) |
| July 3 | 100.0°F (2012) | 55.0°F (2010) | 2.17 in (2011) |
| July 4 | 104.0°F (2012) | 54.0°F (2014) | 3.74 in (2024) |
| July 5 | 105.1°F (2012) | 52.0°F (1997) | 1.27 in (2024) |
| July 6 | 107.1°F (2012) | 55.9°F (2006) | 0.37 in (2015) |
| July 7 | 107.1°F (2012) | 57.0°F (2006) | 0.94 in (2011) |
| July 8 | 100.0°F (2001) | 57.0°F (2018) | 1.12 in (2015) |
| July 9 | 98.1°F (2002) | 59.0°F (2023) | 2.51 in (2024) |
| July 10 | 98.1°F (2017) | 57.9°F (2014) | 1.42 in (2021) |
| July 11 | 99.0°F (2017) | 57.9°F (1999) | 0.91 in (2000) |
| July 12 | 100.0°F (2017) | 55.9°F (1999) | 0.95 in (2009) |
| July 13 | 98.1°F (2017) | 57.0°F (1999) | 1.02 in (2025) |
| July 14 | 98.1°F (2015) | 59.0°F (1999) | 2.72 in (2018) |
| July 15 | 97.0°F (2024) | 54.0°F (2001) | 2.01 in (2020) |
| July 16 | 100.0°F (2022) | 53.1°F (2014) | 3.33 in (2024) |
| July 17 | 100.0°F (2012) | 55.0°F (2014) | 1.81 in (2025) |
| July 18 | 102.9°F (2012) | 60.1°F (2014) | 1.46 in (2003) |
| July 19 | 100.9°F (2012) | 55.9°F (2014) | 0.65 in (2015) |
| July 20 | 100.9°F (2017) | 55.9°F (2009) | 1.22 in (2010) |
| July 21 | 102.0°F (1998) | 57.0°F (2007) | 2.38 in (2025) |
| July 22 | 102.9°F (2017) | 55.0°F (2000) | 0.41 in (2002) |
| July 23 | 104.0°F (2012) | 55.9°F (2000) | 0.23 in (2009) |
| July 24 | 104.0°F (2012) | 55.0°F (2000) | 1.14 in (2010) |
| July 25 | 105.1°F (2012) | 55.0°F (2000) | 1.31 in (2016) |
| July 26 | 102.9°F (1999) | 57.9°F (2000) | 7.23 in (2022) |
| July 27 | 100.0°F (2023) | 53.1°F (2004) | 0.84 in (2007) |
| July 28 | 99.0°F (2011) | 50.0°F (2013) | 2.71 in (2000) |
| July 29 | 104.0°F (1999) | 51.1°F (2014) | 0.71 in (2021) |
| July 30 | 102.0°F (1999) | 55.9°F (2014) | 2.95 in (1998) |
| July 31 | 100.9°F (2012) | 57.0°F (1997) | 0.93 in (2000) |