August weather in Callao, MO
The average temperature in Callao in August is 76.0°F (65.8°F–86.3°F). Average precipitation: 3.82 inches.
August is a summer month in Callao, and is warmer than the annual average of 53.9°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 34m. For travel, August is a comfortable month to visit.
Avg High
86.3°F
Avg Low
65.8°F
Precipitation
3.82 in
Daylight
13h 34m
August records in Callao
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (2012) | 53.1°F (1992) | 1.66 in (1995) |
| August 2 | 100.0°F (2006) | 55.0°F (2009) | 2.95 in (2023) |
| August 3 | 100.9°F (1991) | 55.9°F (2009) | 1.58 in (1995) |
| August 4 | 99.0°F (2005) | 53.1°F (1992) | 2.52 in (2004) |
| August 5 | 96.1°F (2001) | 48.9°F (1994) | 1.90 in (2016) |
| August 6 | 99.0°F (2002) | 46.9°F (1994) | 0.42 in (2015) |
| August 7 | 100.9°F (2006) | 51.1°F (1989) | 1.61 in (2014) |
| August 8 | 102.0°F (2012) | 48.9°F (1989) | 3.14 in (2007) |
| August 9 | 98.1°F (2005) | 54.0°F (1989) | 0.40 in (2012) |
| August 10 | 98.1°F (2001) | 55.0°F (1989) | 1.50 in (2023) |
| August 11 | 97.0°F (2010) | 55.9°F (1989) | 1.19 in (2016) |
| August 12 | 97.0°F (2007) | 52.0°F (2004) | 1.66 in (2019) |
| August 13 | 100.9°F (1999) | 48.9°F (2004) | 0.50 in (2008) |
| August 14 | 96.1°F (2010) | 50.0°F (2004) | 1.10 in (2005) |
| August 15 | 99.0°F (2007) | 46.9°F (1994) | 0.53 in (2018) |
| August 16 | 99.0°F (2007) | 48.0°F (1992) | 1.42 in (2022) |
| August 17 | 98.1°F (1999) | 51.1°F (1992) | 2.17 in (1996) |
| August 18 | 106.0°F (2003) | 55.9°F (1992) | 0.97 in (2009) |
| August 19 | 104.0°F (2003) | 53.1°F (1992) | 0.70 in (1997) |
| August 20 | 99.0°F (2003) | 51.1°F (1991) | 1.66 in (2009) |
| August 21 | 98.1°F (2003) | 51.1°F (1992) | 1.97 in (2010) |
| August 22 | 102.9°F (2003) | 51.1°F (1994) | 1.98 in (2017) |
| August 23 | 96.1°F (2003) | 53.1°F (1997) | 1.74 in (2002) |
| August 24 | 96.1°F (1998) | 53.1°F (2017) | 1.21 in (2001) |
| August 25 | 99.0°F (1998) | 54.0°F (2017) | 0.93 in (2016) |
| August 26 | 100.0°F (2003) | 50.0°F (2025) | 1.47 in (2023) |
| August 27 | 102.0°F (2003) | 54.0°F (2025) | 0.97 in (2006) |
| August 28 | 99.0°F (1990) | 48.9°F (1992) | 2.75 in (2004) |
| August 29 | 100.9°F (1999) | 51.1°F (1992) | 1.88 in (2018) |
| August 30 | 98.1°F (1999) | 51.1°F (2009) | 1.15 in (2019) |
| August 31 | 100.0°F (2013) | 50.0°F (2009) | 0.77 in (2001) |