August weather in Mission, SD
The average temperature in Mission in August is 72.2°F (58.5°F–85.8°F). Average precipitation: 1.80 inches.
August is a summer month in Mission, and is warmer than the annual average of 47.5°F. Daily temperatures swing about 27.3°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 47m. For travel, August is a comfortable month to visit.
Avg High
85.8°F
Avg Low
58.5°F
Precipitation
1.80 in
Daylight
13h 47m
August records in Mission
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (2002) | 46.0°F (1968) | 0.54 in (1996) |
| August 2 | 102.0°F (1980) | 48.9°F (1999) | 1.14 in (1981) |
| August 3 | 100.9°F (1982) | 39.0°F (1978) | 0.82 in (1987) |
| August 4 | 100.0°F (1980) | 37.9°F (1974) | 1.21 in (2007) |
| August 5 | 99.0°F (2001) | 42.1°F (1980) | 0.95 in (2009) |
| August 6 | 100.9°F (1968) | 48.0°F (1993) | 1.44 in (1976) |
| August 7 | 108.0°F (1980) | 43.0°F (1989) | 1.09 in (1991) |
| August 8 | 102.0°F (2001) | 46.0°F (1989) | 0.42 in (2009) |
| August 9 | 102.0°F (1969) | 43.0°F (1966) | 1.26 in (1977) |
| August 10 | 100.0°F (1971) | 43.0°F (1985) | 1.93 in (1994) |
| August 11 | 99.0°F (1969) | 41.0°F (1977) | 0.92 in (1986) |
| August 12 | 102.0°F (1969) | 46.0°F (1992) | 1.39 in (1973) |
| August 13 | 102.0°F (1969) | 43.0°F (1999) | 1.01 in (2005) |
| August 14 | 102.0°F (2007) | 48.0°F (1969) | 0.18 in (1997) |
| August 15 | 97.0°F (2000) | 48.9°F (1975) | 1.16 in (1976) |
| August 16 | 105.1°F (1988) | 44.1°F (2012) | 1.64 in (1980) |
| August 17 | 104.0°F (2002) | 41.0°F (1968) | 0.72 in (1982) |
| August 18 | 100.0°F (1973) | 43.0°F (1985) | 0.41 in (1983) |
| August 19 | 98.1°F (1973) | 39.9°F (1967) | 1.80 in (1966) |
| August 20 | 100.9°F (1974) | 44.1°F (2012) | 1.15 in (1966) |
| August 21 | 100.0°F (1976) | 43.0°F (1986) | 0.55 in (1975) |
| August 22 | 102.9°F (1973) | 46.0°F (1966) | 1.32 in (1982) |
| August 23 | 104.0°F (1971) | 43.0°F (2008) | 0.55 in (2007) |
| August 24 | 102.9°F (1971) | 43.0°F (2008) | 0.26 in (1982) |
| August 25 | 100.0°F (1995) | 42.1°F (1972) | 0.90 in (1994) |
| August 26 | 104.0°F (1991) | 39.9°F (1967) | 0.34 in (2005) |
| August 27 | 107.1°F (1970) | 37.9°F (1992) | 0.65 in (1997) |
| August 28 | 102.9°F (1973) | 36.0°F (1976) | 1.21 in (2006) |
| August 29 | 100.9°F (2012) | 37.9°F (1988) | 0.35 in (1999) |
| August 30 | 107.1°F (2012) | 39.9°F (1992) | 1.50 in (1971) |
| August 31 | 100.0°F (1981) | 37.9°F (1974) | 0.17 in (2010) |