August weather in Mackinaw, IL
The average temperature in Mackinaw in August is °F (°F–°F). Average precipitation: 3.62 inches.
August is a summer month in Mackinaw, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 13h 37m.
Avg High
°F
Avg Low
°F
Precipitation
3.62 in
Daylight
13h 37m
August records in Mackinaw
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 93.0°F (1944) | 64.0°F (1943) | 1.76 in (1956) |
| August 2 | 96.1°F (1944) | 64.9°F (1944) | 2.20 in (2022) |
| August 3 | 93.9°F (1944) | 70.0°F (1943) | 4.18 in (1943) |
| August 4 | 96.1°F (1944) | 70.0°F (1943) | 2.09 in (1961) |
| August 5 | 96.1°F (1944) | 64.0°F (1943) | 2.16 in (2014) |
| August 6 | 91.9°F (1944) | 59.0°F (1943) | 3.55 in (1977) |
| August 7 | 90.0°F (1943) | 60.1°F (1944) | 1.56 in (1977) |
| August 8 | 98.1°F (1943) | 61.0°F (1944) | 1.03 in (1954) |
| August 9 | 97.0°F (1944) | 61.0°F (1942) | 2.57 in (1969) |
| August 10 | 100.0°F (1944) | 59.0°F (1942) | 2.08 in (1966) |
| August 11 | 99.0°F (1944) | 59.0°F (1942) | 0.83 in (1952) |
| August 12 | 96.1°F (1944) | 51.1°F (1942) | 1.25 in (1993) |
| August 13 | 98.1°F (1944) | 52.0°F (1942) | 3.80 in (2016) |
| August 14 | 96.1°F (1944) | 62.1°F (1942) | 1.46 in (1980) |
| August 15 | 98.1°F (1944) | 57.9°F (1943) | 2.14 in (1981) |
| August 16 | 90.0°F (1943) | 57.0°F (1942) | 1.28 in (1980) |
| August 17 | 84.9°F (1942) | 51.1°F (1942) | 2.17 in (1997) |
| August 18 | 86.0°F (1942) | 51.1°F (1943) | 1.31 in (1968) |
| August 19 | 88.0°F (1942) | 54.0°F (1944) | 1.00 in (1967) |
| August 20 | 88.0°F (1944) | 57.9°F (1944) | 1.21 in (2009) |
| August 21 | 93.9°F (1942) | 66.0°F (1942) | 1.46 in (2022) |
| August 22 | 91.9°F (1942) | 62.1°F (1944) | 2.16 in (2001) |
| August 23 | 91.9°F (1943) | 55.0°F (1942) | 2.20 in (1993) |
| August 24 | 95.0°F (1943) | 44.1°F (1942) | 3.55 in (1982) |
| August 25 | 91.9°F (1943) | 48.0°F (1942) | 1.44 in (2004) |
| August 26 | 91.9°F (1943) | 55.9°F (1944) | 2.32 in (1994) |
| August 27 | 90.0°F (1942) | 55.9°F (1944) | 2.38 in (2012) |
| August 28 | 90.0°F (1942) | 55.9°F (1943) | 1.28 in (1990) |
| August 29 | 88.0°F (1942) | 53.1°F (1944) | 2.50 in (1947) |
| August 30 | 95.0°F (1943) | 61.0°F (1944) | 2.79 in (1955) |
| August 31 | 97.0°F (1943) | 60.1°F (1944) | 2.52 in (2003) |