August weather in Summerset, SD
The average temperature in Summerset in August is 69.5°F (56.3°F–82.7°F). Average precipitation: 1.97 inches.
August is a summer month in Summerset, and is warmer than the annual average of 46.3°F. Daily temperatures swing about 26.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 50m. For travel, August is a comfortable month to visit.
Avg High
82.7°F
Avg Low
56.3°F
Precipitation
1.97 in
Daylight
13h 50m
August records in Summerset
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1955) | 48.0°F (1968) | 1.73 in (1999) |
| August 2 | 99.0°F (1961) | 41.0°F (2017) | 0.86 in (1972) |
| August 3 | 99.0°F (1955) | 39.0°F (2017) | 1.11 in (1953) |
| August 4 | 100.0°F (2016) | 41.0°F (2017) | 1.62 in (2010) |
| August 5 | 100.9°F (2001) | 46.0°F (1980) | 1.11 in (1975) |
| August 6 | 102.9°F (1961) | 51.1°F (1993) | 2.41 in (2014) |
| August 7 | 102.9°F (1975) | 45.0°F (1989) | 1.60 in (1993) |
| August 8 | 102.0°F (1985) | 46.9°F (1989) | 1.86 in (2006) |
| August 9 | 100.9°F (1983) | 50.0°F (1960) | 0.80 in (1968) |
| August 10 | 99.0°F (1965) | 46.0°F (1985) | 1.24 in (1955) |
| August 11 | 102.9°F (1969) | 39.9°F (2004) | 0.64 in (1998) |
| August 12 | 102.0°F (1978) | 39.9°F (2004) | 2.68 in (1986) |
| August 13 | 102.0°F (2007) | 46.9°F (1966) | 0.40 in (2023) |
| August 14 | 99.0°F (2000) | 45.0°F (1977) | 0.70 in (1987) |
| August 15 | 102.0°F (1988) | 46.0°F (1995) | 0.84 in (2017) |
| August 16 | 99.0°F (1973) | 39.9°F (2004) | 1.53 in (1949) |
| August 17 | 100.0°F (1970) | 42.1°F (2002) | 0.75 in (1982) |
| August 18 | 100.9°F (1959) | 43.0°F (1985) | 1.32 in (2015) |
| August 19 | 104.0°F (1974) | 41.0°F (1978) | 1.30 in (1985) |
| August 20 | 100.9°F (1986) | 43.0°F (1964) | 0.64 in (1993) |
| August 21 | 104.0°F (2023) | 43.0°F (2018) | 0.60 in (1964) |
| August 22 | 102.0°F (1949) | 41.0°F (1966) | 1.90 in (1974) |
| August 23 | 102.0°F (1949) | 39.0°F (2015) | 0.66 in (1951) |
| August 24 | 99.0°F (2023) | 43.0°F (1972) | 0.45 in (2002) |
| August 25 | 100.9°F (2024) | 41.0°F (1972) | 1.16 in (1978) |
| August 26 | 102.0°F (1970) | 42.1°F (1992) | 0.72 in (2019) |
| August 27 | 100.9°F (1973) | 43.0°F (1987) | 0.89 in (2016) |
| August 28 | 99.0°F (1983) | 41.0°F (1977) | 0.93 in (2006) |
| August 29 | 100.0°F (1961) | 41.0°F (1988) | 0.82 in (1990) |
| August 30 | 102.9°F (2012) | 37.9°F (1992) | 0.98 in (2011) |
| August 31 | 102.9°F (1954) | 37.9°F (1992) | 1.28 in (1951) |