August weather in Russellville, IL
The average temperature in Russellville in August is 76.0°F (65.1°F–86.8°F). Average precipitation: 2.94 inches.
August is a summer month in Russellville, and is warmer than the annual average of 55.7°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 31m. For travel, August is a comfortable month to visit.
Avg High
86.8°F
Avg Low
65.1°F
Precipitation
2.94 in
Daylight
13h 31m
August records in Russellville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (2006) | 57.9°F (1997) | 1.34 in (2016) |
| August 2 | 100.0°F (2012) | 57.9°F (2021) | 0.92 in (2000) |
| August 3 | 97.0°F (2007) | 59.0°F (2009) | 0.29 in (2003) |
| August 4 | 99.0°F (2010) | 55.9°F (2017) | 2.66 in (2025) |
| August 5 | 97.0°F (2002) | 53.1°F (2017) | 1.08 in (1998) |
| August 6 | 98.1°F (2007) | 55.0°F (1997) | 2.37 in (2023) |
| August 7 | 100.0°F (2007) | 50.0°F (2004) | 1.23 in (1998) |
| August 8 | 100.9°F (2007) | 54.0°F (1997) | 1.63 in (2006) |
| August 9 | 99.0°F (2007) | 55.9°F (1999) | 2.37 in (2021) |
| August 10 | 99.0°F (2010) | 55.9°F (1999) | 2.05 in (2006) |
| August 11 | 97.0°F (2005) | 54.0°F (2004) | 0.96 in (2009) |
| August 12 | 99.0°F (2005) | 48.0°F (2004) | 1.70 in (2003) |
| August 13 | 99.0°F (2005) | 51.1°F (2004) | 0.85 in (2016) |
| August 14 | 95.0°F (2010) | 46.0°F (2004) | 3.36 in (2016) |
| August 15 | 100.9°F (2007) | 50.0°F (2004) | 0.96 in (2016) |
| August 16 | 98.1°F (2007) | 48.0°F (2004) | 1.10 in (2012) |
| August 17 | 95.0°F (2000) | 53.1°F (2004) | 1.84 in (2014) |
| August 18 | 93.0°F (2010) | 55.0°F (2008) | 1.65 in (2001) |
| August 19 | 95.0°F (2005) | 55.0°F (2008) | 0.98 in (2004) |
| August 20 | 95.0°F (2010) | 54.0°F (2012) | 0.62 in (2006) |
| August 21 | 97.0°F (2003) | 51.1°F (2024) | 1.60 in (2019) |
| August 22 | 99.0°F (2007) | 51.1°F (2024) | 0.48 in (2019) |
| August 23 | 102.0°F (2007) | 52.0°F (1997) | 2.94 in (2000) |
| August 24 | 102.0°F (2007) | 54.0°F (2009) | 1.21 in (2001) |
| August 25 | 100.9°F (2023) | 52.0°F (2015) | 0.58 in (2004) |
| August 26 | 97.0°F (2003) | 51.1°F (2025) | 1.88 in (2000) |
| August 27 | 98.1°F (2024) | 48.0°F (2025) | 0.26 in (2012) |
| August 28 | 99.0°F (2007) | 52.0°F (2025) | 0.35 in (2020) |
| August 29 | 99.0°F (2024) | 57.0°F (2019) | 0.38 in (2003) |
| August 30 | 98.1°F (2024) | 51.1°F (2009) | 1.81 in (2005) |
| August 31 | 99.0°F (2013) | 51.1°F (1999) | 1.90 in (2003) |