August weather in Valier, IL
The average temperature in Valier in August is 76.7°F (66.4°F–86.9°F). Average precipitation: 3.35 inches.
August is a summer month in Valier, and is warmer than the annual average of 55.9°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 28m. For travel, August is a comfortable month to visit.
Avg High
86.9°F
Avg Low
66.4°F
Precipitation
3.35 in
Daylight
13h 28m
August records in Valier
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (1980) | 59.0°F (2014) | 1.07 in (1979) |
| August 2 | 96.1°F (1987) | 55.9°F (1977) | 1.84 in (1975) |
| August 3 | 99.0°F (1987) | 57.9°F (1977) | 1.73 in (2003) |
| August 4 | 100.9°F (1987) | 55.0°F (1974) | 1.25 in (1987) |
| August 5 | 102.0°F (2010) | 54.0°F (1974) | 1.58 in (1985) |
| August 6 | 96.1°F (1982) | 55.0°F (2020) | 0.95 in (2015) |
| August 7 | 96.1°F (1980) | 55.9°F (1978) | 0.25 in (1995) |
| August 8 | 97.0°F (1980) | 55.0°F (1978) | 3.04 in (2014) |
| August 9 | 98.1°F (1980) | 57.9°F (2024) | 1.25 in (2021) |
| August 10 | 100.0°F (1980) | 57.0°F (1976) | 1.30 in (1986) |
| August 11 | 100.0°F (2010) | 61.0°F (1976) | 1.10 in (1985) |
| August 12 | 99.0°F (2010) | 57.9°F (1979) | 0.60 in (1977) |
| August 13 | 96.1°F (1975) | 55.0°F (1979) | 1.67 in (2010) |
| August 14 | 95.0°F (2010) | 57.0°F (2014) | 1.50 in (2016) |
| August 15 | 97.0°F (2025) | 57.9°F (1979) | 2.62 in (2016) |
| August 16 | 99.0°F (2025) | 55.9°F (1979) | 1.57 in (2016) |
| August 17 | 96.1°F (2025) | 55.9°F (1979) | 1.30 in (2014) |
| August 18 | 99.0°F (2025) | 57.0°F (1979) | 0.99 in (1997) |
| August 19 | 100.0°F (1983) | 55.9°F (1977) | 1.45 in (2001) |
| August 20 | 100.0°F (1983) | 55.9°F (1977) | 1.40 in (1997) |
| August 21 | 98.1°F (1980) | 57.0°F (2024) | 1.35 in (2010) |
| August 22 | 102.9°F (1983) | 57.9°F (1982) | 0.86 in (1977) |
| August 23 | 102.0°F (1983) | 54.0°F (2018) | 1.95 in (1983) |
| August 24 | 98.1°F (2023) | 55.9°F (2025) | 1.10 in (1993) |
| August 25 | 100.0°F (1978) | 54.0°F (2015) | 1.08 in (2004) |
| August 26 | 102.0°F (1978) | 51.1°F (2025) | 2.24 in (1975) |
| August 27 | 100.9°F (2024) | 53.1°F (2025) | 1.31 in (1992) |
| August 28 | 98.1°F (1980) | 53.1°F (1986) | 0.83 in (1992) |
| August 29 | 99.0°F (1983) | 48.0°F (1986) | 4.24 in (1974) |
| August 30 | 98.1°F (1984) | 53.1°F (1986) | 2.45 in (1978) |
| August 31 | 95.0°F (1984) | 53.1°F (1986) | 0.67 in (1978) |