August weather in Deer Grove, IL
The average temperature in Deer Grove in August is 71.3°F (61.1°F–81.5°F). Average precipitation: 3.83 inches.
August is a summer month in Deer Grove, and is warmer than the annual average of 49.3°F. Daily temperatures swing about 20.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 41m. For travel, August is a comfortable month to visit.
Avg High
81.5°F
Avg Low
61.1°F
Precipitation
3.83 in
Daylight
13h 41m
August records in Deer Grove
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (1988) | 51.1°F (1895) | 3.40 in (1921) |
| August 2 | 100.0°F (1940) | 48.9°F (1985) | 2.43 in (1932) |
| August 3 | 102.0°F (1930) | 44.1°F (1894) | 2.09 in (1935) |
| August 4 | 100.9°F (1916) | 46.0°F (1912) | 1.54 in (1982) |
| August 5 | 102.0°F (1918) | 48.0°F (1994) | 1.60 in (1998) |
| August 6 | 100.9°F (1947) | 46.9°F (1997) | 2.43 in (1951) |
| August 7 | 99.0°F (1984) | 46.0°F (1989) | 2.01 in (1942) |
| August 8 | 102.0°F (1988) | 46.9°F (1904) | 2.68 in (1939) |
| August 9 | 102.9°F (1894) | 46.9°F (1922) | 1.45 in (1965) |
| August 10 | 100.0°F (1944) | 46.9°F (1972) | 1.71 in (2006) |
| August 11 | 99.0°F (1941) | 46.0°F (1982) | 1.61 in (1949) |
| August 12 | 99.0°F (1918) | 44.1°F (2004) | 2.70 in (1908) |
| August 13 | 97.0°F (1895) | 46.0°F (2004) | 2.57 in (1987) |
| August 14 | 97.0°F (1944) | 45.0°F (2013) | 2.75 in (1945) |
| August 15 | 100.9°F (1988) | 45.0°F (1979) | 4.27 in (1981) |
| August 16 | 102.0°F (1988) | 45.0°F (1992) | 3.74 in (1898) |
| August 17 | 102.9°F (1988) | 46.0°F (2013) | 1.23 in (1997) |
| August 18 | 105.1°F (1936) | 46.9°F (1981) | 3.75 in (1979) |
| August 19 | 102.0°F (1983) | 46.9°F (1915) | 3.39 in (1912) |
| August 20 | 102.0°F (1983) | 41.0°F (1950) | 4.57 in (1979) |
| August 21 | 100.0°F (1983) | 46.9°F (1956) | 3.18 in (1937) |
| August 22 | 100.9°F (1936) | 42.1°F (1923) | 1.15 in (1924) |
| August 23 | 100.0°F (1947) | 46.0°F (1952) | 2.50 in (2007) |
| August 24 | 100.0°F (1936) | 42.1°F (1920) | 1.93 in (1963) |
| August 25 | 96.1°F (2003) | 43.0°F (1917) | 4.55 in (1987) |
| August 26 | 96.1°F (1953) | 37.0°F (1896) | 3.80 in (1981) |
| August 27 | 96.1°F (1895) | 36.0°F (1923) | 2.50 in (2012) |
| August 28 | 99.0°F (1984) | 39.0°F (1915) | 2.40 in (2006) |
| August 29 | 98.1°F (1894) | 41.0°F (1934) | 2.60 in (2018) |
| August 30 | 98.1°F (1953) | 37.9°F (1915) | 1.67 in (1955) |
| August 31 | 102.0°F (1953) | 39.9°F (1967) | 2.75 in (1989) |