August weather in Owaneco, IL
The average temperature in Owaneco in August is °F (°F–°F). Average precipitation: 3.92 inches.
August is a summer month in Owaneco, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 13h 33m.
Avg High
°F
Avg Low
°F
Precipitation
3.92 in
Daylight
13h 33m
August records in Owaneco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 82.9°F (2024) | 59.0°F (2021) | 1.98 in (1956) |
| August 2 | 87.1°F (2024) | 59.0°F (2021) | 1.28 in (1958) |
| August 3 | 88.0°F (2022) | 55.9°F (2025) | 2.55 in (2012) |
| August 4 | 90.0°F (2024) | 57.0°F (2020) | 1.57 in (1957) |
| August 5 | 91.0°F (2024) | 52.0°F (2020) | 2.37 in (1959) |
| August 6 | 91.0°F (2024) | 52.0°F (2020) | 3.98 in (1963) |
| August 7 | 87.1°F (2024) | 54.0°F (2020) | 1.01 in (2023) |
| August 8 | 89.1°F (2025) | 62.1°F (2020) | 5.24 in (2006) |
| August 9 | 91.0°F (2025) | 60.1°F (2024) | 2.62 in (1956) |
| August 10 | 91.0°F (2025) | 52.0°F (2024) | 0.92 in (2021) |
| August 11 | 91.9°F (2020) | 55.0°F (2024) | 1.09 in (1950) |
| August 12 | 91.0°F (2021) | 57.0°F (2024) | 0.84 in (2019) |
| August 13 | 93.9°F (2025) | 61.0°F (2024) | 1.33 in (1963) |
| August 14 | 87.1°F (2025) | 62.1°F (2024) | 1.52 in (2010) |
| August 15 | 89.1°F (2025) | 60.1°F (2023) | 1.24 in (1946) |
| August 16 | 93.9°F (2025) | 57.9°F (2023) | 2.80 in (2002) |
| August 17 | 95.0°F (2025) | 57.9°F (2022) | 0.86 in (1959) |
| August 18 | 95.0°F (2025) | 55.9°F (2022) | 1.01 in (1946) |
| August 19 | 93.0°F (2025) | 52.0°F (2020) | 1.80 in (1963) |
| August 20 | 90.0°F (2025) | 53.1°F (2020) | 0.92 in (2006) |
| August 21 | 91.9°F (2023) | 54.0°F (2020) | 2.37 in (2010) |
| August 22 | 93.9°F (2023) | 53.1°F (2024) | 1.68 in (2019) |
| August 23 | 95.0°F (2023) | 53.1°F (2024) | 1.36 in (2001) |
| August 24 | 96.1°F (2023) | 53.1°F (2025) | 0.39 in (1957) |
| August 25 | 99.0°F (2023) | 53.1°F (2025) | 0.88 in (1964) |
| August 26 | 97.0°F (2023) | 46.0°F (2025) | 1.75 in (1944) |
| August 27 | 93.0°F (2024) | 46.9°F (2025) | 1.30 in (2014) |
| August 28 | 98.1°F (2024) | 48.9°F (2025) | 0.31 in (1949) |
| August 29 | 91.0°F (2021) | 52.0°F (2025) | 0.86 in (2022) |
| August 30 | 93.9°F (2024) | 54.0°F (2020) | 0.97 in (2001) |
| August 31 | 93.0°F (2024) | 50.0°F (2023) | 2.21 in (1965) |