August weather in Wheaton, IL
The average temperature in Wheaton in August is °F (°F–°F). Average precipitation: 4.19 inches.
August is a summer month in Wheaton, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 13h 42m.
Avg High
°F
Avg Low
°F
Precipitation
4.19 in
Daylight
13h 42m
August records in Wheaton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | — | — | 0.33 in (2013) |
| August 2 | — | — | 0.53 in (2003) |
| August 3 | — | — | 1.89 in (2010) |
| August 4 | — | — | 1.31 in (2004) |
| August 5 | — | — | 1.35 in (2008) |
| August 6 | — | — | 0.43 in (2007) |
| August 7 | — | — | 1.52 in (2003) |
| August 8 | — | — | 0.50 in (2022) |
| August 9 | — | — | 0.59 in (2011) |
| August 10 | — | — | 0.30 in (2021) |
| August 11 | — | — | 0.80 in (2021) |
| August 12 | — | — | 0.50 in (2005) |
| August 13 | — | — | 2.65 in (2016) |
| August 14 | — | — | 1.37 in (2002) |
| August 15 | — | — | 1.49 in (2023) |
| August 16 | — | — | 1.03 in (2024) |
| August 17 | — | — | 2.17 in (2025) |
| August 18 | — | — | 1.71 in (2019) |
| August 19 | — | — | 2.55 in (2025) |
| August 20 | — | — | 1.76 in (2007) |
| August 21 | — | — | 2.62 in (2014) |
| August 22 | — | — | 2.58 in (2014) |
| August 23 | — | — | 0.89 in (2007) |
| August 24 | — | — | 1.60 in (2007) |
| August 25 | — | — | 0.81 in (2004) |
| August 26 | — | — | 0.83 in (2004) |
| August 27 | — | — | 3.23 in (2012) |
| August 28 | — | — | 1.74 in (2024) |
| August 29 | — | — | 1.62 in (2018) |
| August 30 | — | — | 1.03 in (2015) |
| August 31 | — | — | 0.42 in (2013) |