August weather in Ste. Genevieve, MO
The average temperature in Ste. Genevieve in August is 76.7°F (65.6°F–87.8°F). Average precipitation: 3.34 inches.
August is a summer month in Ste. Genevieve, and is warmer than the annual average of 56.4°F. Daily temperatures swing about 22.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 28m. For travel, August is a comfortable month to visit.
Avg High
87.8°F
Avg Low
65.6°F
Precipitation
3.34 in
Daylight
13h 28m
August records in Ste. Genevieve
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 106.0°F (1980) | 53.1°F (1992) | 1.37 in (1985) |
| August 2 | 100.9°F (1997) | 55.9°F (1992) | 1.31 in (2009) |
| August 3 | 104.0°F (1987) | 55.0°F (2025) | 1.28 in (2023) |
| August 4 | 104.0°F (1991) | 54.0°F (1986) | 1.17 in (1987) |
| August 5 | 100.9°F (2002) | 52.0°F (1974) | 1.20 in (1990) |
| August 6 | 102.0°F (1989) | 54.0°F (2020) | 1.05 in (1986) |
| August 7 | 104.0°F (1988) | 48.0°F (1990) | 2.12 in (1998) |
| August 8 | 100.9°F (1987) | 50.0°F (1989) | 1.89 in (1999) |
| August 9 | 100.0°F (1980) | 48.9°F (1989) | 2.15 in (1984) |
| August 10 | 105.1°F (1980) | 50.0°F (1989) | 1.30 in (1997) |
| August 11 | 102.9°F (2007) | 52.0°F (1989) | 0.90 in (1995) |
| August 12 | 102.0°F (2010) | 48.9°F (2004) | 1.97 in (1977) |
| August 13 | 104.0°F (2007) | 48.9°F (2004) | 1.39 in (2021) |
| August 14 | 99.0°F (2005) | 48.9°F (2004) | 1.68 in (2016) |
| August 15 | 107.1°F (1988) | 48.9°F (2004) | 2.30 in (1980) |
| August 16 | 102.9°F (1988) | 50.0°F (2004) | 1.81 in (1980) |
| August 17 | 109.0°F (1988) | 52.0°F (2004) | 0.80 in (1989) |
| August 18 | 104.0°F (1988) | 51.1°F (2012) | 0.76 in (2009) |
| August 19 | 102.9°F (1995) | 53.1°F (2012) | 0.95 in (1984) |
| August 20 | 102.9°F (1990) | 55.0°F (1981) | 2.01 in (1997) |
| August 21 | 102.0°F (1983) | 54.0°F (1978) | 1.15 in (1989) |
| August 22 | 104.0°F (1983) | 50.0°F (2024) | 0.55 in (1989) |
| August 23 | 102.0°F (1983) | 48.9°F (2024) | 1.80 in (1985) |
| August 24 | 102.9°F (1989) | 55.0°F (2009) | 1.66 in (2021) |
| August 25 | 100.0°F (1978) | 53.1°F (2015) | 0.93 in (2018) |
| August 26 | 100.9°F (2023) | 48.9°F (2025) | 2.00 in (1978) |
| August 27 | 100.0°F (1983) | 48.9°F (2025) | 2.00 in (1987) |
| August 28 | 102.9°F (1983) | 48.0°F (1986) | 1.41 in (2006) |
| August 29 | 102.9°F (1983) | 41.0°F (1986) | 2.42 in (2004) |
| August 30 | 102.9°F (1984) | 44.1°F (1986) | 1.76 in (2003) |
| August 31 | 102.0°F (1984) | 46.0°F (1986) | 0.40 in (2005) |