August weather in Peoria, IL
The average temperature in Peoria in August is °F (°F–°F). Average precipitation: 3.35 inches.
August is a summer month in Peoria, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 13h 38m.
Avg High
°F
Avg Low
°F
Precipitation
3.35 in
Daylight
13h 38m
August records in Peoria
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | — | — | 1.03 in (2022) |
| August 2 | — | — | 1.90 in (2022) |
| August 3 | — | — | 0.69 in (2022) |
| August 4 | — | — | 0.21 in (2008) |
| August 5 | — | — | 1.79 in (2014) |
| August 6 | — | — | 1.20 in (2023) |
| August 7 | — | — | 1.81 in (2023) |
| August 8 | — | — | 0.57 in (2009) |
| August 9 | — | — | 0.59 in (2021) |
| August 10 | — | — | 0.58 in (2015) |
| August 11 | — | — | 0.68 in (2023) |
| August 12 | — | — | 1.03 in (2025) |
| August 13 | — | — | 1.36 in (2016) |
| August 14 | — | — | 0.99 in (2010) |
| August 15 | — | — | 0.92 in (2024) |
| August 16 | — | — | 0.81 in (2024) |
| August 17 | — | — | 1.05 in (2012) |
| August 18 | — | — | 0.45 in (2015) |
| August 19 | — | — | 0.62 in (2015) |
| August 20 | — | — | 0.89 in (2009) |
| August 21 | — | — | 1.12 in (2022) |
| August 22 | — | — | 1.68 in (2014) |
| August 23 | — | — | 0.13 in (2014) |
| August 24 | — | — | 0.79 in (2011) |
| August 25 | — | — | 0.80 in (2016) |
| August 26 | — | — | 1.15 in (2021) |
| August 27 | — | — | 1.99 in (2023) |
| August 28 | — | — | 0.68 in (2014) |
| August 29 | — | — | 1.76 in (2018) |
| August 30 | — | — | 1.63 in (2016) |
| August 31 | — | — | 0.38 in (2021) |