August weather in Salem, MO
The average temperature in Salem in August is 75.1°F (63.4°F–86.8°F). Average precipitation: 4.33 inches.
August is a summer month in Salem, and is warmer than the annual average of 55.3°F. Daily temperatures swing about 23.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 27m. For travel, August is a comfortable month to visit.
Avg High
86.8°F
Avg Low
63.4°F
Precipitation
4.33 in
Daylight
13h 27m
August records in Salem
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 108.0°F (1980) | 46.0°F (1936) | 2.30 in (2020) |
| August 2 | 105.1°F (1934) | 53.1°F (1920) | 1.60 in (1966) |
| August 3 | 104.0°F (1918) | 45.0°F (1950) | 1.15 in (2007) |
| August 4 | 106.0°F (1918) | 48.0°F (1912) | 2.25 in (2022) |
| August 5 | 109.0°F (1934) | 46.9°F (1912) | 1.68 in (1980) |
| August 6 | 108.0°F (1934) | 46.9°F (1994) | 1.62 in (1981) |
| August 7 | 109.9°F (1934) | 46.9°F (1990) | 3.40 in (2013) |
| August 8 | 111.9°F (1934) | 46.9°F (1989) | 1.95 in (1960) |
| August 9 | 109.9°F (1934) | 48.0°F (1990) | 1.76 in (1970) |
| August 10 | 109.0°F (1934) | 50.0°F (1922) | 3.10 in (2015) |
| August 11 | 105.1°F (1907) | 50.0°F (1917) | 3.57 in (1924) |
| August 12 | 102.9°F (1911) | 44.1°F (1967) | 5.79 in (1939) |
| August 13 | 102.9°F (2007) | 44.1°F (1967) | 2.45 in (1982) |
| August 14 | 102.0°F (1913) | 48.9°F (2004) | 5.27 in (1946) |
| August 15 | 102.9°F (2007) | 46.9°F (1929) | 3.00 in (1982) |
| August 16 | 106.0°F (1988) | 44.1°F (1992) | 2.32 in (1966) |
| August 17 | 104.0°F (1936) | 48.0°F (1992) | 0.99 in (1923) |
| August 18 | 105.1°F (1936) | 46.9°F (2001) | 2.16 in (1915) |
| August 19 | 104.0°F (1936) | 48.0°F (1940) | 1.83 in (1960) |
| August 20 | 102.0°F (1916) | 46.0°F (1967) | 5.17 in (1915) |
| August 21 | 107.1°F (2023) | 39.0°F (1950) | 1.64 in (2022) |
| August 22 | 100.9°F (1983) | 43.0°F (1950) | 3.03 in (2019) |
| August 23 | 102.0°F (1938) | 46.0°F (1949) | 2.08 in (1907) |
| August 24 | 104.0°F (1943) | 46.9°F (1942) | 1.52 in (1911) |
| August 25 | 102.9°F (1943) | 46.9°F (1958) | 1.70 in (1914) |
| August 26 | 102.9°F (1943) | 46.9°F (2025) | 2.87 in (1971) |
| August 27 | 104.0°F (1936) | 42.1°F (1910) | 3.19 in (1982) |
| August 28 | 105.1°F (1913) | 43.0°F (1967) | 3.70 in (1950) |
| August 29 | 100.0°F (1925) | 39.9°F (1986) | 2.13 in (1917) |
| August 30 | 100.0°F (1913) | 44.1°F (1986) | 3.08 in (2022) |
| August 31 | 102.9°F (1913) | 39.0°F (1915) | 2.00 in (1922) |