August weather in Harvel, IL
The average temperature in Harvel in August is 74.5°F (63.5°F–85.5°F). Average precipitation: 3.50 inches.
August is a summer month in Harvel, and is warmer than the annual average of 53.6°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 33m. For travel, August is a comfortable month to visit.
Avg High
85.5°F
Avg Low
63.5°F
Precipitation
3.50 in
Daylight
13h 33m
August records in Harvel
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (2012) | 48.9°F (1992) | 1.24 in (1993) |
| August 2 | 99.0°F (1987) | 39.0°F (1989) | 0.88 in (1994) |
| August 3 | 100.9°F (1987) | 54.0°F (1986) | 4.31 in (2012) |
| August 4 | 98.1°F (1987) | 53.1°F (1985) | 1.08 in (1995) |
| August 5 | 93.9°F (1988) | 53.1°F (2017) | 1.10 in (1985) |
| August 6 | 93.9°F (1989) | 48.0°F (1997) | 1.30 in (1981) |
| August 7 | 95.0°F (2006) | 46.9°F (1990) | 1.80 in (2023) |
| August 8 | 99.0°F (1984) | 52.0°F (1990) | 0.95 in (2006) |
| August 9 | 99.0°F (1980) | 51.1°F (1990) | 0.59 in (2001) |
| August 10 | 99.0°F (1980) | 55.0°F (1989) | 0.56 in (1985) |
| August 11 | 99.0°F (2007) | 48.9°F (2004) | 2.40 in (2019) |
| August 12 | 98.1°F (2007) | 44.1°F (2004) | 0.91 in (1993) |
| August 13 | 99.0°F (2007) | 45.0°F (2004) | 1.44 in (2007) |
| August 14 | 95.0°F (1988) | 48.9°F (2004) | 1.68 in (2010) |
| August 15 | 93.9°F (1988) | 45.0°F (2013) | 1.23 in (1981) |
| August 16 | 100.0°F (1988) | 45.0°F (2004) | 1.22 in (1987) |
| August 17 | 104.0°F (1988) | 50.0°F (2008) | 1.80 in (2019) |
| August 18 | 100.9°F (1988) | 50.0°F (2012) | 1.43 in (1998) |
| August 19 | 99.0°F (1983) | 51.1°F (2008) | 1.06 in (2002) |
| August 20 | 98.1°F (1983) | 52.0°F (2012) | 1.80 in (2019) |
| August 21 | 102.9°F (1983) | 46.9°F (1992) | 2.90 in (2010) |
| August 22 | 98.1°F (1983) | 53.1°F (1982) | 0.74 in (2017) |
| August 23 | 96.1°F (2001) | 51.1°F (2009) | 1.26 in (2001) |
| August 24 | 96.1°F (2007) | 51.1°F (2009) | 1.62 in (2000) |
| August 25 | 99.0°F (2023) | 52.0°F (1984) | 0.68 in (2007) |
| August 26 | 100.0°F (2023) | 52.0°F (2025) | 1.50 in (2004) |
| August 27 | 100.0°F (1983) | 52.0°F (1985) | 1.61 in (1951) |
| August 28 | 100.9°F (1983) | 42.1°F (1986) | 3.07 in (1981) |
| August 29 | 97.0°F (2007) | 41.0°F (1986) | 0.71 in (1989) |
| August 30 | 99.0°F (2000) | 43.0°F (1986) | 2.04 in (1950) |
| August 31 | 98.1°F (2013) | 48.0°F (1986) | 2.34 in (1981) |