August weather in Grandin, MO
The average temperature in Grandin in August is 77.6°F (66.3°F–88.9°F). Average precipitation: 3.77 inches.
August is a summer month in Grandin, and is warmer than the annual average of 57.4°F. Daily temperatures swing about 22.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 25m. For travel, August is hot.
Avg High
88.9°F
Avg Low
66.3°F
Precipitation
3.77 in
Daylight
13h 25m
August records in Grandin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 108.0°F (1980) | 48.9°F (1971) | 1.92 in (1943) |
| August 2 | 107.1°F (1947) | 50.0°F (1965) | 2.58 in (1958) |
| August 3 | 107.1°F (1918) | 50.0°F (1920) | 1.54 in (1932) |
| August 4 | 109.0°F (1918) | 42.1°F (1974) | 1.98 in (2003) |
| August 5 | 109.9°F (1934) | 48.9°F (1912) | 1.86 in (1987) |
| August 6 | 111.0°F (1934) | 48.9°F (1948) | 3.62 in (1931) |
| August 7 | 111.9°F (1934) | 50.0°F (1994) | 3.78 in (1991) |
| August 8 | 114.1°F (1934) | 46.9°F (2004) | 1.68 in (1999) |
| August 9 | 111.9°F (1934) | 48.9°F (1989) | 2.13 in (1986) |
| August 10 | 106.0°F (1918) | 50.0°F (1990) | 1.11 in (1970) |
| August 11 | 107.1°F (1918) | 50.0°F (1967) | 1.45 in (1938) |
| August 12 | 104.0°F (1934) | 51.1°F (1967) | 1.97 in (1934) |
| August 13 | 102.9°F (1943) | 45.0°F (2004) | 3.10 in (2016) |
| August 14 | 106.0°F (1954) | 45.0°F (2004) | 4.90 in (2016) |
| August 15 | 108.0°F (1954) | 48.0°F (2004) | 3.45 in (1964) |
| August 16 | 109.0°F (1954) | 46.0°F (1992) | 7.12 in (1982) |
| August 17 | 108.0°F (1954) | 50.0°F (2004) | 5.83 in (1926) |
| August 18 | 107.1°F (1936) | 51.1°F (1943) | 4.00 in (1915) |
| August 19 | 105.1°F (1936) | 48.9°F (1943) | 2.40 in (1915) |
| August 20 | 106.0°F (1962) | 48.9°F (1953) | 3.60 in (1915) |
| August 21 | 102.0°F (1983) | 48.9°F (1940) | 3.30 in (1934) |
| August 22 | 102.9°F (1983) | 46.0°F (1950) | 2.45 in (1923) |
| August 23 | 102.9°F (1943) | 52.0°F (1949) | 4.70 in (1942) |
| August 24 | 106.0°F (1943) | 48.9°F (1966) | 3.11 in (1977) |
| August 25 | 106.0°F (1943) | 50.0°F (1927) | 1.70 in (1914) |
| August 26 | 106.0°F (1943) | 45.0°F (1958) | 1.23 in (1915) |
| August 27 | 106.0°F (1936) | 46.9°F (1920) | 1.45 in (1914) |
| August 28 | 106.0°F (1936) | 42.1°F (1967) | 2.20 in (1931) |
| August 29 | 105.1°F (2000) | 37.9°F (1986) | 1.82 in (1956) |
| August 30 | 105.1°F (2000) | 39.9°F (1986) | 4.21 in (1978) |
| August 31 | 104.0°F (1943) | 43.0°F (1946) | 1.45 in (1962) |