August weather in Winner, SD
The average temperature in Winner in August is 74.2°F (61.0°F–87.3°F). Average precipitation: 2.42 inches.
August is a summer month in Winner, and is warmer than the annual average of 49.7°F. Daily temperatures swing about 26.3°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 47m. For travel, August is a comfortable month to visit.
Avg High
87.3°F
Avg Low
61.0°F
Precipitation
2.42 in
Daylight
13h 47m
August records in Winner
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 107.1°F (1955) | 48.0°F (1933) | 0.96 in (1937) |
| August 2 | 108.0°F (1938) | 48.0°F (1949) | 3.40 in (1962) |
| August 3 | 111.0°F (2022) | 42.1°F (1978) | 0.84 in (2019) |
| August 4 | 111.0°F (1934) | 39.9°F (1978) | 1.18 in (2007) |
| August 5 | 107.1°F (1941) | 45.0°F (1933) | 1.30 in (1976) |
| August 6 | 109.9°F (1980) | 48.9°F (1932) | 2.39 in (2009) |
| August 7 | 108.0°F (1980) | 48.0°F (1989) | 1.60 in (1956) |
| August 8 | 108.0°F (1936) | 45.0°F (1939) | 1.15 in (1979) |
| August 9 | 109.9°F (1947) | 46.9°F (1927) | 1.72 in (1938) |
| August 10 | 108.0°F (1935) | 45.0°F (1985) | 1.66 in (1950) |
| August 11 | 107.1°F (1959) | 42.1°F (1977) | 1.30 in (2007) |
| August 12 | 106.0°F (1965) | 39.0°F (1964) | 1.35 in (1999) |
| August 13 | 111.9°F (1965) | 45.0°F (1916) | 3.38 in (2017) |
| August 14 | 109.0°F (1937) | 44.1°F (1929) | 2.07 in (1951) |
| August 15 | 109.9°F (1937) | 41.0°F (1929) | 0.90 in (1912) |
| August 16 | 105.1°F (1969) | 48.9°F (1943) | 1.69 in (1945) |
| August 17 | 105.1°F (1936) | 43.0°F (1985) | 1.30 in (2025) |
| August 18 | 105.1°F (1959) | 46.0°F (1946) | 4.01 in (1949) |
| August 19 | 105.1°F (1948) | 43.0°F (1967) | 2.10 in (1966) |
| August 20 | 102.9°F (1976) | 39.0°F (1950) | 1.61 in (1951) |
| August 21 | 102.9°F (1976) | 37.0°F (1933) | 2.09 in (1914) |
| August 22 | 105.1°F (1938) | 46.0°F (1915) | 1.66 in (1944) |
| August 23 | 107.1°F (1936) | 42.1°F (1942) | 1.31 in (2007) |
| August 24 | 105.1°F (1925) | 42.1°F (1928) | 0.85 in (1982) |
| August 25 | 105.1°F (1991) | 39.9°F (1934) | 1.33 in (2007) |
| August 26 | 109.0°F (1976) | 39.9°F (1992) | 1.34 in (1946) |
| August 27 | 102.0°F (1937) | 37.9°F (1910) | 1.60 in (1997) |
| August 28 | 104.0°F (1984) | 42.1°F (1946) | 0.80 in (1960) |
| August 29 | 107.1°F (2012) | 41.0°F (1946) | 1.85 in (1937) |
| August 30 | 111.9°F (2012) | 34.0°F (1935) | 1.28 in (1999) |
| August 31 | 102.9°F (1936) | 39.0°F (1935) | 0.45 in (1982) |