August weather in Glen Allen, MO
The average temperature in Glen Allen in August is 77.5°F (66.0°F–89.0°F). Average precipitation: 3.90 inches.
August is a summer month in Glen Allen, and is warmer than the annual average of 58.1°F. Daily temperatures swing about 23°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 26m. For travel, August is hot.
Avg High
89.0°F
Avg Low
66.0°F
Precipitation
3.90 in
Daylight
13h 26m
August records in Glen Allen
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1897) | 46.0°F (1971) | 1.76 in (1968) |
| August 2 | 106.0°F (1932) | 48.9°F (1977) | 1.65 in (1932) |
| August 3 | 108.0°F (1930) | 46.0°F (1950) | 4.95 in (2023) |
| August 4 | 106.0°F (1918) | 45.0°F (1974) | 4.20 in (2023) |
| August 5 | 107.1°F (1947) | 45.0°F (1894) | 4.06 in (1985) |
| August 6 | 107.1°F (1947) | 45.0°F (1894) | 2.96 in (1940) |
| August 7 | 107.1°F (1930) | 48.0°F (1950) | 1.97 in (1906) |
| August 8 | 111.0°F (1934) | 45.0°F (1989) | 1.60 in (1906) |
| August 9 | 111.9°F (1934) | 46.9°F (1989) | 2.10 in (1970) |
| August 10 | 105.1°F (1941) | 48.0°F (1972) | 2.10 in (1963) |
| August 11 | 105.1°F (1941) | 48.9°F (1989) | 1.66 in (1998) |
| August 12 | 106.0°F (1918) | 46.0°F (1979) | 1.60 in (1912) |
| August 13 | 102.9°F (1936) | 44.1°F (1942) | 3.83 in (2016) |
| August 14 | 102.9°F (1936) | 46.9°F (2004) | 5.20 in (1921) |
| August 15 | 107.1°F (1936) | 48.9°F (1963) | 2.86 in (2016) |
| August 16 | 108.0°F (1936) | 46.9°F (1929) | 2.20 in (1943) |
| August 17 | 109.9°F (1936) | 46.9°F (1897) | 2.20 in (1959) |
| August 18 | 111.0°F (1936) | 51.1°F (2012) | 1.85 in (1974) |
| August 19 | 109.0°F (1936) | 48.9°F (1943) | 1.82 in (1941) |
| August 20 | 107.1°F (1936) | 46.9°F (1953) | 4.61 in (1915) |
| August 21 | 107.1°F (1936) | 39.0°F (1950) | 1.51 in (1994) |
| August 22 | 105.1°F (1936) | 42.1°F (1950) | 1.51 in (2008) |
| August 23 | 102.9°F (1936) | 42.1°F (1950) | 2.85 in (1939) |
| August 24 | 104.0°F (1978) | 46.0°F (1942) | 2.21 in (1985) |
| August 25 | 105.1°F (1936) | 43.0°F (1942) | 1.86 in (1965) |
| August 26 | 104.0°F (1936) | 46.9°F (1958) | 1.68 in (1914) |
| August 27 | 109.9°F (1936) | 46.0°F (1896) | 1.56 in (1921) |
| August 28 | 108.0°F (1936) | 37.9°F (1986) | 3.03 in (1951) |
| August 29 | 100.9°F (1897) | 39.9°F (1986) | 1.26 in (1974) |
| August 30 | 100.0°F (1951) | 44.1°F (1946) | 3.30 in (1978) |
| August 31 | 100.9°F (1951) | 42.1°F (1946) | 1.29 in (1993) |