August weather in West Peoria, IL
The average temperature in West Peoria in August is 74.5°F (64.4°F–84.6°F). Average precipitation: 3.31 inches.
August is a summer month in West Peoria, and is warmer than the annual average of 52.7°F. Daily temperatures swing about 20.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 37m. For travel, August is a comfortable month to visit.
Avg High
84.6°F
Avg Low
64.4°F
Precipitation
3.31 in
Daylight
13h 37m
August records in West Peoria
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1988) | 52.0°F (1962) | 0.88 in (2024) |
| August 2 | 100.9°F (1947) | 54.0°F (1990) | 0.87 in (2022) |
| August 3 | 100.0°F (1947) | 48.9°F (1976) | 2.53 in (1943) |
| August 4 | 99.0°F (1947) | 50.0°F (1972) | 1.54 in (2014) |
| August 5 | 98.1°F (1947) | 51.1°F (1948) | 3.29 in (2023) |
| August 6 | 100.0°F (1947) | 50.0°F (1994) | 1.62 in (1977) |
| August 7 | 97.0°F (2012) | 50.0°F (1989) | 1.91 in (1977) |
| August 8 | 100.0°F (1988) | 48.0°F (1976) | 1.06 in (1950) |
| August 9 | 96.1°F (2001) | 48.0°F (1972) | 1.80 in (1969) |
| August 10 | 97.0°F (1944) | 48.9°F (1972) | 1.24 in (1966) |
| August 11 | 96.1°F (1988) | 48.9°F (2004) | 2.22 in (1952) |
| August 12 | 97.0°F (1988) | 46.9°F (1979) | 1.98 in (2016) |
| August 13 | 96.1°F (1944) | 48.9°F (1964) | 2.33 in (1956) |
| August 14 | 96.1°F (1988) | 46.9°F (2004) | 1.93 in (1980) |
| August 15 | 102.0°F (1988) | 45.0°F (1979) | 2.63 in (1993) |
| August 16 | 102.0°F (1988) | 51.1°F (2004) | 1.14 in (1959) |
| August 17 | 102.9°F (1988) | 52.0°F (1992) | 1.50 in (1997) |
| August 18 | 100.9°F (1983) | 45.0°F (1963) | 1.31 in (1975) |
| August 19 | 100.0°F (1983) | 51.1°F (1950) | 1.36 in (2002) |
| August 20 | 102.0°F (1983) | 43.0°F (1950) | 2.27 in (1990) |
| August 21 | 99.0°F (1983) | 45.0°F (1950) | 1.40 in (1964) |
| August 22 | 100.0°F (1947) | 52.0°F (1950) | 0.96 in (2001) |
| August 23 | 100.9°F (1947) | 50.0°F (1945) | 1.73 in (1972) |
| August 24 | 99.0°F (2023) | 48.9°F (1966) | 2.50 in (1982) |
| August 25 | 97.0°F (1983) | 46.9°F (1958) | 2.30 in (1954) |
| August 26 | 98.1°F (2003) | 48.0°F (1964) | 1.54 in (2012) |
| August 27 | 99.0°F (2024) | 48.0°F (1986) | 1.72 in (2004) |
| August 28 | 96.1°F (2013) | 41.0°F (1986) | 2.15 in (2018) |
| August 29 | 96.1°F (1984) | 43.0°F (1986) | 4.32 in (1955) |
| August 30 | 99.0°F (2013) | 46.0°F (1946) | 2.62 in (1965) |
| August 31 | 96.1°F (1943) | 44.1°F (1967) | 1.24 in (2003) |