August weather in Mazon, IL
The average temperature in Mazon in August is 72.8°F (63.0°F–82.7°F). Average precipitation: 4.01 inches.
August is a summer month in Mazon, and is warmer than the annual average of 50.8°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 39m. For travel, August is a comfortable month to visit.
Avg High
82.7°F
Avg Low
63.0°F
Precipitation
4.01 in
Daylight
13h 39m
August records in Mazon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 98.1°F (1945) | 46.9°F (1947) | 0.99 in (1932) |
| August 2 | 100.0°F (1930) | 46.0°F (1920) | 3.36 in (1921) |
| August 3 | 102.9°F (1930) | 45.0°F (1912) | 2.38 in (1915) |
| August 4 | 104.0°F (1916) | 46.0°F (1912) | 1.49 in (2004) |
| August 5 | 104.0°F (1918) | 46.9°F (1912) | 1.12 in (1998) |
| August 6 | 102.0°F (1918) | 46.0°F (1948) | 1.85 in (1951) |
| August 7 | 100.9°F (1918) | 48.0°F (1940) | 1.10 in (1923) |
| August 8 | 100.9°F (1914) | 50.0°F (1936) | 1.53 in (1924) |
| August 9 | 107.1°F (1934) | 46.9°F (1922) | 1.95 in (2011) |
| August 10 | 100.0°F (1916) | 46.9°F (1922) | 1.30 in (1934) |
| August 11 | 100.0°F (1941) | 48.0°F (1965) | 1.54 in (1949) |
| August 12 | 102.9°F (1918) | 42.1°F (1967) | 1.21 in (1945) |
| August 13 | 99.0°F (1936) | 45.0°F (1967) | 3.52 in (2016) |
| August 14 | 100.0°F (1944) | 42.1°F (1964) | 1.92 in (1952) |
| August 15 | 98.1°F (1944) | 44.1°F (1962) | 0.78 in (2023) |
| August 16 | 98.1°F (1913) | 46.0°F (1964) | 1.11 in (1997) |
| August 17 | 100.0°F (1922) | 48.9°F (1924) | 1.83 in (2025) |
| August 18 | 102.9°F (1916) | 41.0°F (1963) | 1.98 in (2015) |
| August 19 | 102.0°F (1916) | 46.0°F (1933) | 1.12 in (1912) |
| August 20 | 99.0°F (1916) | 42.1°F (1950) | 1.67 in (1914) |
| August 21 | 100.9°F (1916) | 44.1°F (1950) | 1.77 in (1958) |
| August 22 | 100.9°F (1936) | 45.0°F (1923) | 1.05 in (2013) |
| August 23 | 100.0°F (1947) | 46.0°F (1951) | 1.68 in (2007) |
| August 24 | 99.0°F (1936) | 43.0°F (1942) | 4.94 in (2007) |
| August 25 | 99.0°F (2023) | 42.1°F (1923) | 1.18 in (2016) |
| August 26 | 96.1°F (1953) | 41.0°F (1964) | 1.63 in (1940) |
| August 27 | 97.0°F (1955) | 45.0°F (1915) | 3.30 in (1942) |
| August 28 | 99.0°F (1955) | 41.0°F (1935) | 2.29 in (2004) |
| August 29 | 99.0°F (1925) | 39.0°F (1965) | 3.32 in (2006) |
| August 30 | 100.9°F (1925) | 34.0°F (1946) | 2.25 in (1955) |
| August 31 | 98.1°F (1953) | 37.9°F (1915) | 1.18 in (1944) |