August weather in Roscoe, IL
The average temperature in Roscoe in August is °F (°F–°F). Average precipitation: 4.36 inches.
August is a summer month in Roscoe, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 13h 44m.
Avg High
°F
Avg Low
°F
Precipitation
4.36 in
Daylight
13h 44m
August records in Roscoe
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | — | — | 1.48 in (2003) |
| August 2 | — | — | 0.18 in (2014) |
| August 3 | — | — | 0.55 in (2003) |
| August 4 | — | — | 1.21 in (2004) |
| August 5 | — | — | 2.08 in (2007) |
| August 6 | — | — | 1.16 in (2018) |
| August 7 | — | — | 2.16 in (2007) |
| August 8 | — | — | 0.85 in (2009) |
| August 9 | — | — | 1.14 in (2011) |
| August 10 | — | — | 0.61 in (2018) |
| August 11 | — | — | 2.48 in (2020) |
| August 12 | — | — | 1.10 in (2016) |
| August 13 | — | — | 0.33 in (2011) |
| August 14 | — | — | 2.06 in (2010) |
| August 15 | — | — | 0.30 in (2019) |
| August 16 | — | — | 0.18 in (2007) |
| August 17 | — | — | 0.69 in (2018) |
| August 18 | — | — | 0.24 in (2017) |
| August 19 | — | — | 2.34 in (2015) |
| August 20 | — | — | 2.04 in (2005) |
| August 21 | — | — | 1.36 in (2018) |
| August 22 | — | — | 0.92 in (2007) |
| August 23 | — | — | 1.02 in (2007) |
| August 24 | — | — | 2.05 in (2011) |
| August 25 | — | — | 0.96 in (2016) |
| August 26 | — | — | 1.96 in (2006) |
| August 27 | — | — | 1.31 in (2009) |
| August 28 | — | — | 0.59 in (2009) |
| August 29 | — | — | 1.99 in (2018) |
| August 30 | — | — | 0.23 in (2014) |
| August 31 | — | — | 1.25 in (2013) |