August weather in Sisseton, SD
The average temperature in Sisseton in August is 69.4°F (58.6°F–80.2°F). Average precipitation: 2.45 inches.
August is a summer month in Sisseton, and is warmer than the annual average of 44°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 56m. For travel, August is a comfortable month to visit.
Avg High
80.2°F
Avg Low
58.6°F
Precipitation
2.45 in
Daylight
13h 56m
August records in Sisseton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1937) | 42.1°F (1973) | 1.82 in (1902) |
| August 2 | 102.0°F (1938) | 44.1°F (2018) | 3.30 in (1932) |
| August 3 | 100.9°F (1959) | 43.0°F (1971) | 2.33 in (1953) |
| August 4 | 104.0°F (1947) | 44.1°F (1971) | 2.25 in (1941) |
| August 5 | 100.9°F (1934) | 46.0°F (1994) | 2.50 in (1900) |
| August 6 | 100.0°F (1933) | 45.0°F (1902) | 3.02 in (1967) |
| August 7 | 102.0°F (1983) | 43.0°F (1904) | 2.79 in (2009) |
| August 8 | 102.9°F (1936) | 46.9°F (1904) | 3.38 in (2021) |
| August 9 | 102.0°F (1947) | 46.0°F (1934) | 1.68 in (1900) |
| August 10 | 108.0°F (1947) | 42.1°F (1903) | 2.49 in (2016) |
| August 11 | 102.0°F (1936) | 39.9°F (1902) | 1.12 in (2008) |
| August 12 | 97.0°F (1969) | 37.9°F (1950) | 3.50 in (2006) |
| August 13 | 104.0°F (1938) | 39.0°F (1964) | 2.40 in (2023) |
| August 14 | 100.0°F (1935) | 39.0°F (1968) | 5.75 in (1905) |
| August 15 | 106.0°F (1937) | 39.0°F (1979) | 1.43 in (2019) |
| August 16 | 100.9°F (1988) | 45.0°F (1981) | 1.05 in (1983) |
| August 17 | 102.0°F (1976) | 43.0°F (1981) | 0.80 in (2025) |
| August 18 | 105.1°F (1976) | 37.9°F (1950) | 1.98 in (1961) |
| August 19 | 104.0°F (1976) | 37.0°F (1956) | 1.74 in (2022) |
| August 20 | 102.0°F (1976) | 39.9°F (1934) | 2.24 in (1966) |
| August 21 | 102.0°F (1947) | 39.0°F (2004) | 2.58 in (1964) |
| August 22 | 100.9°F (1947) | 41.0°F (1987) | 1.80 in (1998) |
| August 23 | 102.0°F (1936) | 39.9°F (1984) | 1.02 in (1990) |
| August 24 | 98.1°F (1948) | 37.0°F (1934) | 1.31 in (1995) |
| August 25 | 98.1°F (1937) | 42.1°F (1945) | 1.25 in (1960) |
| August 26 | 100.0°F (1976) | 34.0°F (1944) | 2.18 in (1989) |
| August 27 | 102.9°F (1973) | 39.0°F (1982) | 0.65 in (1903) |
| August 28 | 100.9°F (1973) | 36.0°F (1934) | 2.16 in (2021) |
| August 29 | 99.0°F (1961) | 39.9°F (1988) | 3.23 in (1983) |
| August 30 | 95.0°F (1961) | 39.0°F (2009) | 0.90 in (1971) |
| August 31 | 93.9°F (1948) | 39.0°F (1987) | 1.54 in (1942) |