July weather in Brussels, IL
The average temperature in Brussels in July is 78.6°F (68.1°F–89.1°F). Average precipitation: 3.74 inches.
July is a summer month in Brussels, and is warmer than the annual average of 56.1°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 29m. For travel, July is hot.
Avg High
89.1°F
Avg Low
68.1°F
Precipitation
3.74 in
Daylight
14h 29m
July records in Brussels
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 99.0°F (2012) | 59.0°F (2024) | 0.83 in (2023) |
| July 2 | 100.0°F (2012) | 54.0°F (2001) | 1.52 in (2008) |
| July 3 | 99.0°F (2012) | 57.9°F (2007) | 2.36 in (2016) |
| July 4 | 102.9°F (2012) | 57.0°F (2014) | 1.78 in (2009) |
| July 5 | 104.0°F (2012) | 52.0°F (1997) | 0.64 in (2004) |
| July 6 | 105.1°F (2012) | 54.0°F (1997) | 2.06 in (1999) |
| July 7 | 106.0°F (2012) | 55.0°F (2006) | 3.08 in (1998) |
| July 8 | 97.0°F (2001) | 57.9°F (2015) | 2.20 in (2015) |
| July 9 | 95.0°F (2001) | 57.0°F (2023) | 1.91 in (1999) |
| July 10 | 96.1°F (2011) | 57.9°F (2023) | 0.74 in (2021) |
| July 11 | 99.0°F (2011) | 57.0°F (1999) | 0.75 in (2021) |
| July 12 | 100.0°F (2017) | 60.1°F (2001) | 1.08 in (2010) |
| July 13 | 98.1°F (2015) | 59.0°F (2001) | 0.77 in (2016) |
| July 14 | 98.1°F (2015) | 57.9°F (2007) | 1.15 in (2014) |
| July 15 | 98.1°F (2024) | 57.0°F (2001) | 0.99 in (2025) |
| July 16 | 99.0°F (2022) | 53.1°F (2014) | 3.81 in (2024) |
| July 17 | 100.9°F (2012) | 55.9°F (2014) | 0.67 in (2023) |
| July 18 | 102.9°F (2012) | 61.0°F (2014) | 1.07 in (2000) |
| July 19 | 102.9°F (2012) | 57.9°F (2014) | 1.81 in (2016) |
| July 20 | 100.0°F (2017) | 55.9°F (2009) | 2.88 in (2010) |
| July 21 | 100.9°F (2011) | 57.9°F (2007) | 1.05 in (2025) |
| July 22 | 105.1°F (2002) | 55.0°F (2000) | 0.33 in (2008) |
| July 23 | 105.1°F (2012) | 57.9°F (2000) | 0.46 in (2017) |
| July 24 | 105.1°F (2012) | 54.0°F (2003) | 0.51 in (2010) |
| July 25 | 106.0°F (2012) | 55.0°F (2000) | 1.29 in (2022) |
| July 26 | 100.9°F (1999) | 57.9°F (2004) | 3.19 in (2022) |
| July 27 | 99.0°F (2011) | 53.1°F (2004) | 1.61 in (2025) |
| July 28 | 100.0°F (2011) | 51.1°F (2013) | 0.88 in (2000) |
| July 29 | 102.0°F (1999) | 51.1°F (2014) | 1.50 in (2024) |
| July 30 | 100.9°F (1999) | 54.0°F (2014) | 2.33 in (2020) |
| July 31 | 100.9°F (2012) | 57.9°F (2014) | 0.56 in (2020) |