August weather in Basco, IL
The average temperature in Basco in August is 74.3°F (63.8°F–84.9°F). Average precipitation: 4.19 inches.
August is a summer month in Basco, and is warmer than the annual average of 52.8°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 36m. For travel, August is a comfortable month to visit.
Avg High
84.9°F
Avg Low
63.8°F
Precipitation
4.19 in
Daylight
13h 36m
August records in Basco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (2006) | 53.1°F (1997) | 1.53 in (1956) |
| August 2 | 100.9°F (2006) | 54.0°F (2009) | 0.70 in (1956) |
| August 3 | 102.0°F (2011) | 55.0°F (2009) | 1.46 in (1995) |
| August 4 | 100.0°F (2005) | 53.1°F (2017) | 3.35 in (1960) |
| August 5 | 98.1°F (2008) | 53.1°F (1999) | 2.76 in (1998) |
| August 6 | 98.1°F (2007) | 48.0°F (1997) | 2.80 in (1959) |
| August 7 | 93.9°F (2007) | 48.9°F (1997) | 1.43 in (2023) |
| August 8 | 99.0°F (2006) | 51.1°F (1997) | 2.75 in (1950) |
| August 9 | 95.0°F (2005) | 52.0°F (1999) | 1.98 in (2015) |
| August 10 | 99.0°F (2005) | 52.0°F (2024) | 1.43 in (1993) |
| August 11 | 100.0°F (2010) | 46.9°F (2004) | 3.17 in (2017) |
| August 12 | 97.0°F (2007) | 46.0°F (2004) | 2.68 in (1993) |
| August 13 | 99.0°F (2007) | 50.0°F (2004) | 3.14 in (1987) |
| August 14 | 96.1°F (2010) | 52.0°F (1999) | 3.67 in (1980) |
| August 15 | 102.0°F (2007) | 48.0°F (2004) | 1.21 in (1981) |
| August 16 | 104.0°F (2007) | 52.0°F (2004) | 1.58 in (2002) |
| August 17 | 96.1°F (1997) | 51.1°F (2012) | 2.55 in (1997) |
| August 18 | 96.1°F (2000) | 51.1°F (2012) | 1.99 in (1970) |
| August 19 | 93.9°F (1995) | 55.0°F (2001) | 2.30 in (1993) |
| August 20 | 93.9°F (2010) | 43.0°F (2001) | 2.06 in (1951) |
| August 21 | 96.1°F (2003) | 50.0°F (1999) | 1.43 in (1977) |
| August 22 | 100.0°F (2003) | 52.0°F (1997) | 1.73 in (2017) |
| August 23 | 95.0°F (2007) | 51.1°F (1997) | 5.32 in (2001) |
| August 24 | 99.0°F (2023) | 51.1°F (1999) | 1.10 in (1982) |
| August 25 | 102.9°F (2011) | 51.1°F (2015) | 1.92 in (2016) |
| August 26 | 98.1°F (2023) | 48.9°F (2025) | 1.70 in (1954) |
| August 27 | 100.9°F (2003) | 48.9°F (2025) | 3.40 in (2004) |
| August 28 | 97.0°F (2024) | 51.1°F (2025) | 2.48 in (1977) |
| August 29 | 98.1°F (2013) | 55.0°F (2019) | 3.13 in (2018) |
| August 30 | 93.9°F (1999) | 48.0°F (2009) | 1.98 in (1994) |
| August 31 | 102.0°F (2013) | 46.9°F (2009) | 1.08 in (1965) |