August weather in Marion, SD
The average temperature in Marion in August is °F (°F–°F). Average precipitation: 3.35 inches.
August is a summer month in Marion, and is cooler than the annual average of 0°F. Expect about 9 days with precipitation. Daylight averages about 13h 47m.
Avg High
°F
Avg Low
°F
Precipitation
3.35 in
Daylight
13h 47m
August records in Marion
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 106.0°F (1988) | 48.0°F (1904) | 3.96 in (1975) |
| August 2 | 109.9°F (1930) | 41.0°F (1907) | 2.75 in (1921) |
| August 3 | 109.0°F (1930) | 42.1°F (1915) | 2.15 in (1998) |
| August 4 | 111.0°F (1934) | 41.0°F (1915) | 2.75 in (1988) |
| August 5 | 102.0°F (1934) | 44.1°F (1915) | 1.60 in (2000) |
| August 6 | 100.9°F (1934) | 44.1°F (1902) | 1.87 in (1928) |
| August 7 | 100.9°F (1935) | 44.1°F (1921) | 1.72 in (1992) |
| August 8 | 102.9°F (1936) | 28.0°F (1993) | 1.32 in (1924) |
| August 9 | 108.0°F (1947) | 44.1°F (1917) | 1.03 in (2020) |
| August 10 | 107.1°F (1947) | 43.0°F (1904) | 2.71 in (1911) |
| August 11 | 100.0°F (1933) | 35.1°F (1902) | 2.44 in (2013) |
| August 12 | 100.9°F (1938) | 39.0°F (1964) | 1.25 in (1985) |
| August 13 | 100.9°F (1965) | 43.0°F (1964) | 1.07 in (2023) |
| August 14 | 100.0°F (1970) | 39.0°F (1929) | 1.00 in (1956) |
| August 15 | 109.9°F (1936) | 48.9°F (1979) | 2.03 in (1993) |
| August 16 | 102.0°F (1936) | 48.0°F (1943) | 1.51 in (1977) |
| August 17 | 102.0°F (1947) | 37.0°F (1911) | 1.99 in (2015) |
| August 18 | 104.0°F (1936) | 45.0°F (1932) | 1.09 in (2006) |
| August 19 | 100.0°F (1942) | 42.1°F (1927) | 1.33 in (1904) |
| August 20 | 100.9°F (1955) | 37.0°F (1950) | 1.21 in (1966) |
| August 21 | 100.0°F (1947) | 43.0°F (1920) | 3.45 in (2002) |
| August 22 | 102.9°F (1971) | 36.0°F (1923) | 3.26 in (1975) |
| August 23 | 102.9°F (1936) | 43.0°F (1942) | 4.10 in (1906) |
| August 24 | 111.9°F (1936) | 37.0°F (1934) | 1.03 in (1906) |
| August 25 | 104.0°F (1936) | 41.0°F (1904) | 1.77 in (1943) |
| August 26 | 106.0°F (1973) | 41.0°F (1910) | 2.82 in (2017) |
| August 27 | 100.9°F (1913) | 39.9°F (1916) | 2.50 in (1936) |
| August 28 | 100.0°F (1973) | 36.0°F (1911) | 1.68 in (2015) |
| August 29 | 100.0°F (1941) | 37.0°F (1946) | 2.02 in (1942) |
| August 30 | 100.9°F (1941) | 36.0°F (1935) | 1.89 in (1962) |
| August 31 | 97.0°F (1941) | 39.0°F (1974) | 2.05 in (2021) |