August weather in Tiskilwa, IL
The average temperature in Tiskilwa in August is 71.7°F (61.1°F–82.3°F). Average precipitation: 4.02 inches.
August is a summer month in Tiskilwa, and is warmer than the annual average of 49.7°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 40m. For travel, August is a comfortable month to visit.
Avg High
82.3°F
Avg Low
61.1°F
Precipitation
4.02 in
Daylight
13h 40m
August records in Tiskilwa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1988) | 53.1°F (1990) | 0.20 in (2003) |
| August 2 | 99.0°F (1988) | 55.0°F (2009) | 2.14 in (2001) |
| August 3 | 100.0°F (1988) | 57.9°F (1992) | 1.40 in (2004) |
| August 4 | 99.0°F (1988) | 52.0°F (1992) | 1.03 in (2012) |
| August 5 | 91.0°F (1989) | 50.0°F (1994) | 1.07 in (2007) |
| August 6 | 91.9°F (1996) | 48.0°F (1994) | 1.21 in (2000) |
| August 7 | 96.1°F (1988) | 48.9°F (1989) | 1.22 in (2009) |
| August 8 | 100.9°F (1988) | 52.0°F (1989) | 1.30 in (2022) |
| August 9 | 97.0°F (2005) | 53.1°F (1999) | 1.94 in (1995) |
| August 10 | 91.9°F (2010) | 55.9°F (1991) | 2.65 in (2006) |
| August 11 | 95.0°F (1988) | 51.1°F (2004) | 1.90 in (1997) |
| August 12 | 95.0°F (1988) | 50.0°F (2004) | 2.05 in (1993) |
| August 13 | 93.9°F (1995) | 48.9°F (2004) | 1.90 in (2002) |
| August 14 | 96.1°F (1988) | 50.0°F (2004) | 0.56 in (2007) |
| August 15 | 100.0°F (1988) | 48.0°F (1992) | 0.38 in (1997) |
| August 16 | 102.0°F (1988) | 48.9°F (1992) | 1.00 in (1997) |
| August 17 | 102.0°F (1988) | 50.0°F (1992) | 1.36 in (1997) |
| August 18 | 100.0°F (1988) | 51.1°F (2012) | 1.10 in (1997) |
| August 19 | 91.9°F (2005) | 44.1°F (2006) | 1.96 in (1990) |
| August 20 | 93.9°F (2003) | 51.1°F (1992) | 1.25 in (2007) |
| August 21 | 97.0°F (2003) | 51.1°F (1992) | 0.63 in (2022) |
| August 22 | 91.9°F (2007) | 52.0°F (1997) | 1.05 in (1996) |
| August 23 | 95.0°F (2012) | 54.0°F (2016) | 1.92 in (2011) |
| August 24 | 96.1°F (2023) | 52.0°F (2005) | 0.62 in (1999) |
| August 25 | 97.0°F (2003) | 52.0°F (2015) | 2.35 in (1992) |
| August 26 | 95.0°F (2003) | 52.0°F (2017) | 1.94 in (2012) |
| August 27 | 93.9°F (1990) | 48.0°F (2004) | 2.60 in (2009) |
| August 28 | 93.9°F (1991) | 48.0°F (1992) | 1.63 in (1989) |
| August 29 | 93.0°F (2010) | 50.0°F (1988) | 2.52 in (2018) |
| August 30 | 93.0°F (1995) | 52.0°F (2004) | 0.85 in (1994) |
| August 31 | 96.1°F (2013) | 46.0°F (2009) | 1.36 in (2003) |