August weather in Irondale, MO
The average temperature in Irondale in August is 75.1°F (65.0°F–85.2°F). Average precipitation: 4.00 inches.
August is a summer month in Irondale, and is warmer than the annual average of 54.8°F. Daily temperatures swing about 20.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 28m. For travel, August is a comfortable month to visit.
Avg High
85.2°F
Avg Low
65.0°F
Precipitation
4.00 in
Daylight
13h 28m
August records in Irondale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1988) | 46.0°F (1895) | 1.19 in (1993) |
| August 2 | 104.0°F (1901) | 50.0°F (1895) | 1.98 in (2023) |
| August 3 | 102.9°F (1987) | 53.1°F (2025) | 3.92 in (2023) |
| August 4 | 100.0°F (2012) | 44.1°F (1894) | 3.13 in (2022) |
| August 5 | 96.1°F (2007) | 44.1°F (1894) | 0.71 in (1985) |
| August 6 | 99.0°F (1988) | 43.0°F (1894) | 1.22 in (2013) |
| August 7 | 97.0°F (1896) | 46.9°F (1894) | 1.48 in (2019) |
| August 8 | 100.9°F (1988) | 51.1°F (2002) | 1.62 in (1898) |
| August 9 | 98.1°F (1988) | 51.1°F (1898) | 1.65 in (1951) |
| August 10 | 98.1°F (1988) | 45.0°F (1898) | 3.86 in (2015) |
| August 11 | 98.1°F (1983) | 41.0°F (2004) | 0.63 in (2025) |
| August 12 | 99.0°F (2007) | 41.0°F (2004) | 3.70 in (1993) |
| August 13 | 102.9°F (2007) | 43.0°F (2004) | 5.58 in (1950) |
| August 14 | 97.0°F (1900) | 46.0°F (1898) | 2.56 in (2023) |
| August 15 | 100.9°F (2007) | 46.9°F (2004) | 2.75 in (2016) |
| August 16 | 102.9°F (1988) | 46.0°F (1897) | 1.69 in (1981) |
| August 17 | 100.9°F (1988) | 41.0°F (1897) | 1.51 in (2004) |
| August 18 | 100.0°F (1900) | 48.9°F (1981) | 1.34 in (2002) |
| August 19 | 100.0°F (1983) | 44.1°F (1897) | 1.40 in (2000) |
| August 20 | 100.0°F (1983) | 48.0°F (1897) | 1.50 in (1997) |
| August 21 | 102.0°F (1900) | 45.0°F (1981) | 1.57 in (2018) |
| August 22 | 100.9°F (1983) | 46.0°F (1981) | 1.12 in (1900) |
| August 23 | 100.0°F (1983) | 46.9°F (1897) | 2.00 in (1985) |
| August 24 | 97.0°F (1899) | 46.9°F (1896) | 2.29 in (1985) |
| August 25 | 98.1°F (1901) | 48.9°F (1896) | 2.28 in (1894) |
| August 26 | 100.0°F (1983) | 46.0°F (1898) | 2.27 in (1902) |
| August 27 | 100.9°F (1983) | 43.0°F (1896) | 3.21 in (2023) |
| August 28 | 100.9°F (1983) | 42.1°F (1896) | 2.05 in (2004) |
| August 29 | 102.9°F (1984) | 44.1°F (1896) | 2.30 in (2003) |
| August 30 | 98.1°F (1901) | 46.0°F (1896) | 1.35 in (2018) |
| August 31 | 97.0°F (2000) | 48.9°F (2009) | 1.44 in (2021) |