August weather in Otterville, IL
The average temperature in Otterville in August is 74.2°F (63.3°F–85.2°F). Average precipitation: 3.72 inches.
August is a summer month in Otterville, and is warmer than the annual average of 53.4°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 32m. For travel, August is a comfortable month to visit.
Avg High
85.2°F
Avg Low
63.3°F
Precipitation
3.72 in
Daylight
13h 32m
August records in Otterville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1970) | 46.9°F (1962) | 1.69 in (1979) |
| August 2 | 102.9°F (1963) | 51.1°F (1962) | 2.42 in (1974) |
| August 3 | 105.1°F (1964) | 50.0°F (1966) | 2.11 in (1968) |
| August 4 | 104.0°F (1964) | 51.1°F (1986) | 1.45 in (2022) |
| August 5 | 100.0°F (1954) | 50.0°F (1974) | 2.55 in (1995) |
| August 6 | 98.1°F (1983) | 46.9°F (1994) | 2.62 in (1962) |
| August 7 | 98.1°F (1984) | 48.9°F (1990) | 1.26 in (1955) |
| August 8 | 100.0°F (1984) | 48.0°F (1976) | 3.75 in (2014) |
| August 9 | 100.0°F (1988) | 48.9°F (1964) | 2.49 in (1956) |
| August 10 | 100.9°F (1980) | 48.9°F (1972) | 2.00 in (1961) |
| August 11 | 100.9°F (1941) | 48.9°F (1967) | 5.81 in (1961) |
| August 12 | 97.0°F (1941) | 45.0°F (1967) | 0.97 in (1954) |
| August 13 | 102.0°F (2007) | 42.1°F (1964) | 2.48 in (2016) |
| August 14 | 100.0°F (1944) | 48.0°F (1967) | 1.42 in (2023) |
| August 15 | 100.0°F (2007) | 46.0°F (1962) | 2.43 in (1985) |
| August 16 | 102.9°F (2007) | 46.9°F (2004) | 1.40 in (1980) |
| August 17 | 100.0°F (1988) | 48.9°F (1992) | 1.56 in (2014) |
| August 18 | 100.0°F (1988) | 48.9°F (2012) | 2.33 in (2009) |
| August 19 | 100.0°F (1988) | 48.9°F (2012) | 2.10 in (1963) |
| August 20 | 104.0°F (1962) | 46.9°F (1978) | 0.92 in (2004) |
| August 21 | 102.0°F (1962) | 46.0°F (1950) | 2.42 in (2010) |
| August 22 | 99.0°F (2003) | 48.0°F (1992) | 0.98 in (2008) |
| August 23 | 97.0°F (1983) | 48.9°F (1966) | 1.19 in (1988) |
| August 24 | 102.9°F (1943) | 44.1°F (1942) | 3.62 in (2001) |
| August 25 | 102.0°F (1943) | 46.0°F (1958) | 1.87 in (2018) |
| August 26 | 102.9°F (1943) | 50.0°F (1962) | 2.55 in (2006) |
| August 27 | 102.0°F (1983) | 48.9°F (1967) | 1.40 in (1940) |
| August 28 | 100.0°F (1983) | 42.1°F (1967) | 1.92 in (1974) |
| August 29 | 100.0°F (1984) | 37.9°F (1986) | 1.68 in (1977) |
| August 30 | 104.0°F (1984) | 42.1°F (1986) | 1.58 in (1950) |
| August 31 | 99.0°F (1943) | 44.1°F (1967) | 2.56 in (1965) |