August weather in Lake Preston, SD
The average temperature in Lake Preston in August is 69.0°F (58.9°F–79.1°F). Average precipitation: 3.07 inches.
August is a summer month in Lake Preston, and is warmer than the annual average of 44°F. Daily temperatures swing about 20.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 51m. For travel, August is one of the best months of the year to visit.
Avg High
79.1°F
Avg Low
58.9°F
Precipitation
3.07 in
Daylight
13h 51m
August records in Lake Preston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 106.0°F (1901) | 44.1°F (1927) | 2.30 in (1903) |
| August 2 | 105.1°F (1938) | 39.9°F (1894) | 2.12 in (1959) |
| August 3 | 107.1°F (1930) | 39.0°F (1915) | 4.06 in (1984) |
| August 4 | 108.0°F (1934) | 39.0°F (1915) | 2.35 in (1900) |
| August 5 | 100.9°F (1937) | 42.1°F (1915) | 4.65 in (2023) |
| August 6 | 102.9°F (1933) | 41.0°F (1904) | 1.82 in (2023) |
| August 7 | 100.9°F (1941) | 41.0°F (1921) | 4.00 in (1909) |
| August 8 | 100.9°F (1930) | 44.1°F (1904) | 2.00 in (1895) |
| August 9 | 104.0°F (1947) | 37.9°F (1927) | 2.75 in (1994) |
| August 10 | 102.9°F (1947) | 37.9°F (1902) | 1.08 in (1939) |
| August 11 | 100.9°F (1936) | 42.1°F (1893) | 2.67 in (2006) |
| August 12 | 102.0°F (1922) | 42.1°F (1964) | 2.13 in (1985) |
| August 13 | 102.9°F (1938) | 37.9°F (1948) | 2.13 in (1894) |
| August 14 | 99.0°F (1904) | 42.1°F (1893) | 0.97 in (1924) |
| August 15 | 107.1°F (1937) | 43.0°F (1929) | 2.09 in (1924) |
| August 16 | 100.9°F (1988) | 46.9°F (1943) | 1.46 in (1980) |
| August 17 | 100.9°F (1988) | 42.1°F (1893) | 3.39 in (2025) |
| August 18 | 100.9°F (1934) | 43.0°F (1933) | 2.45 in (2015) |
| August 19 | 100.0°F (1922) | 39.9°F (1967) | 2.27 in (1899) |
| August 20 | 99.0°F (1955) | 37.9°F (1907) | 2.08 in (1922) |
| August 21 | 99.0°F (1929) | 39.9°F (1967) | 0.93 in (1984) |
| August 22 | 104.0°F (1938) | 34.0°F (1904) | 1.34 in (1914) |
| August 23 | 99.0°F (1936) | 37.0°F (1934) | 2.16 in (1957) |
| August 24 | 100.0°F (1936) | 36.0°F (1934) | 1.89 in (2014) |
| August 25 | 99.0°F (1991) | 35.1°F (1934) | 3.13 in (1954) |
| August 26 | 102.0°F (1973) | 34.0°F (1914) | 1.72 in (2019) |
| August 27 | 100.0°F (1913) | 39.9°F (1908) | 1.82 in (1936) |
| August 28 | 102.9°F (1894) | 32.0°F (1893) | 1.70 in (1920) |
| August 29 | 102.0°F (1894) | 30.0°F (1893) | 2.06 in (1942) |
| August 30 | 100.9°F (1898) | 34.0°F (1893) | 1.84 in (2002) |
| August 31 | 97.0°F (1939) | 36.0°F (1919) | 1.17 in (1982) |