August weather in Freeport, IL
The average temperature in Freeport in August is 70.3°F (59.9°F–80.7°F). Average precipitation: 4.21 inches.
August is a summer month in Freeport, and is warmer than the annual average of 47.7°F. Daily temperatures swing about 20.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 43m. For travel, August is a comfortable month to visit.
Avg High
80.7°F
Avg Low
59.9°F
Precipitation
4.21 in
Daylight
13h 43m
August records in Freeport
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (1988) | 51.1°F (1985) | 1.20 in (2001) |
| August 2 | 100.0°F (1988) | 48.0°F (1985) | 1.38 in (1972) |
| August 3 | 97.0°F (1988) | 48.0°F (1976) | 1.50 in (2004) |
| August 4 | 98.1°F (1988) | 46.9°F (1978) | 2.43 in (2008) |
| August 5 | 98.1°F (1988) | 46.9°F (1994) | 1.62 in (1979) |
| August 6 | 91.9°F (2024) | 48.0°F (1994) | 5.60 in (2007) |
| August 7 | 95.0°F (2001) | 48.0°F (1976) | 4.42 in (2022) |
| August 8 | 95.0°F (1984) | 46.0°F (1976) | 5.08 in (2022) |
| August 9 | 97.0°F (1983) | 48.9°F (1976) | 2.85 in (1965) |
| August 10 | 91.9°F (1992) | 52.0°F (1982) | 1.30 in (2021) |
| August 11 | 93.9°F (1983) | 48.0°F (1982) | 2.52 in (2020) |
| August 12 | 93.9°F (1988) | 46.9°F (1977) | 1.46 in (2016) |
| August 13 | 93.9°F (1988) | 48.0°F (2004) | 2.21 in (1985) |
| August 14 | 91.9°F (1995) | 46.9°F (2004) | 1.37 in (1987) |
| August 15 | 96.1°F (1988) | 45.0°F (1979) | 2.35 in (1951) |
| August 16 | 98.1°F (1988) | 44.1°F (1976) | 1.51 in (2000) |
| August 17 | 100.9°F (1988) | 44.1°F (1976) | 1.47 in (1968) |
| August 18 | 100.9°F (1988) | 46.9°F (1981) | 1.86 in (2005) |
| August 19 | 93.9°F (1983) | 48.0°F (1981) | 2.37 in (1990) |
| August 20 | 100.0°F (1983) | 46.9°F (1985) | 1.65 in (2016) |
| August 21 | 95.0°F (1983) | 45.0°F (1985) | 9.12 in (2002) |
| August 22 | 93.0°F (1975) | 46.9°F (1985) | 1.21 in (2007) |
| August 23 | 91.9°F (1976) | 50.0°F (1984) | 0.94 in (1999) |
| August 24 | 97.0°F (2023) | 44.1°F (1984) | 1.61 in (2016) |
| August 25 | 97.0°F (2023) | 46.0°F (1977) | 1.17 in (1985) |
| August 26 | 95.0°F (2003) | 48.9°F (1977) | 2.68 in (1976) |
| August 27 | 93.0°F (1973) | 48.9°F (2025) | 2.12 in (1974) |
| August 28 | 97.0°F (2024) | 39.9°F (1986) | 1.12 in (2006) |
| August 29 | 97.0°F (1984) | 42.1°F (1986) | 1.65 in (2018) |
| August 30 | 99.0°F (1984) | 42.1°F (1986) | 1.81 in (2016) |
| August 31 | 97.0°F (2013) | 44.1°F (2009) | 2.65 in (2013) |