August weather in Deer Park, IL
The average temperature in Deer Park in August is 70.2°F (61.2°F–79.2°F). Average precipitation: 4.58 inches.
August is a summer month in Deer Park, and is warmer than the annual average of 48°F. Daily temperatures swing about 18°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 13h 43m. For travel, August is a comfortable month to visit.
Avg High
79.2°F
Avg Low
61.2°F
Precipitation
4.58 in
Daylight
13h 43m
August records in Deer Park
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 95.0°F (1987) | 48.0°F (1990) | 1.44 in (2000) |
| August 2 | 100.0°F (1988) | 48.9°F (1965) | 1.75 in (1972) |
| August 3 | 100.0°F (1991) | 46.9°F (1966) | 1.70 in (1981) |
| August 4 | 97.0°F (1988) | 46.0°F (1972) | 3.14 in (1989) |
| August 5 | 97.0°F (1988) | 45.0°F (1972) | 2.04 in (2008) |
| August 6 | 90.0°F (1968) | 46.0°F (1990) | 2.63 in (1996) |
| August 7 | 95.0°F (1968) | 48.0°F (1976) | 2.70 in (2007) |
| August 8 | 93.0°F (1988) | 44.1°F (1976) | 1.95 in (1991) |
| August 9 | 98.1°F (1988) | 42.1°F (1964) | 1.74 in (1988) |
| August 10 | 93.9°F (2005) | 48.0°F (1972) | 2.04 in (1979) |
| August 11 | 90.0°F (1983) | 43.0°F (1965) | 1.97 in (1988) |
| August 12 | 91.9°F (1988) | 45.0°F (1982) | 1.09 in (2005) |
| August 13 | 93.9°F (1971) | 48.0°F (2004) | 2.80 in (1987) |
| August 14 | 93.0°F (1972) | 43.0°F (1964) | 3.61 in (2002) |
| August 15 | 93.0°F (1972) | 42.1°F (1964) | 2.47 in (1981) |
| August 16 | 91.0°F (1988) | 42.1°F (1979) | 1.48 in (1978) |
| August 17 | 97.0°F (1988) | 44.1°F (1976) | 4.15 in (1968) |
| August 18 | 99.0°F (1988) | 39.0°F (1963) | 2.60 in (1990) |
| August 19 | 95.0°F (1972) | 45.0°F (1977) | 1.99 in (2007) |
| August 20 | 96.1°F (1983) | 50.0°F (1977) | 1.85 in (2007) |
| August 21 | 95.0°F (1968) | 50.0°F (1985) | 1.31 in (2012) |
| August 22 | 93.9°F (1968) | 46.0°F (1969) | 5.36 in (2002) |
| August 23 | 93.9°F (1968) | 45.0°F (1987) | 1.22 in (1998) |
| August 24 | 95.0°F (1968) | 42.1°F (1965) | 3.25 in (2007) |
| August 25 | 93.0°F (1968) | 41.0°F (1977) | 1.54 in (1987) |
| August 26 | 95.0°F (1991) | 39.9°F (1964) | 1.75 in (1972) |
| August 27 | 93.9°F (1991) | 48.0°F (1963) | 1.57 in (2009) |
| August 28 | 93.9°F (1973) | 37.9°F (1986) | 1.91 in (1981) |
| August 29 | 95.0°F (1991) | 37.9°F (1965) | 1.73 in (2018) |
| August 30 | 95.0°F (1984) | 46.0°F (1976) | 1.00 in (1975) |
| August 31 | 91.9°F (1969) | 46.0°F (1987) | 1.01 in (2013) |