August weather in Harrisburg, SD
The average temperature in Harrisburg in August is 69.6°F (59.0°F–80.2°F). Average precipitation: 2.99 inches.
August is a summer month in Harrisburg, and is warmer than the annual average of 45.7°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 47m. For travel, August is a comfortable month to visit.
Avg High
80.2°F
Avg Low
59.0°F
Precipitation
2.99 in
Daylight
13h 47m
August records in Harrisburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 106.0°F (1901) | 44.1°F (1917) | 3.32 in (1975) |
| August 2 | 105.1°F (1930) | 42.1°F (1907) | 3.09 in (1933) |
| August 3 | 109.9°F (1930) | 39.9°F (1907) | 1.47 in (1998) |
| August 4 | 109.9°F (1934) | 41.0°F (1974) | 1.67 in (2007) |
| August 5 | 104.0°F (1934) | 42.1°F (1994) | 3.56 in (1960) |
| August 6 | 100.0°F (1934) | 41.0°F (1902) | 1.86 in (2023) |
| August 7 | 99.0°F (1937) | 43.0°F (1989) | 1.60 in (1992) |
| August 8 | 104.0°F (1936) | 45.0°F (1922) | 1.75 in (1909) |
| August 9 | 107.1°F (1947) | 39.0°F (1927) | 1.72 in (1949) |
| August 10 | 105.1°F (1947) | 39.0°F (1917) | 1.08 in (2010) |
| August 11 | 102.9°F (1936) | 33.1°F (1902) | 1.92 in (1953) |
| August 12 | 98.1°F (1965) | 39.9°F (1964) | 2.79 in (1985) |
| August 13 | 102.9°F (1965) | 37.9°F (1964) | 1.53 in (1994) |
| August 14 | 102.0°F (1970) | 39.9°F (2015) | 1.23 in (1905) |
| August 15 | 109.0°F (1937) | 44.1°F (1929) | 1.56 in (1977) |
| August 16 | 102.0°F (1955) | 46.9°F (1907) | 2.43 in (1910) |
| August 17 | 102.9°F (1955) | 41.0°F (1943) | 2.51 in (2015) |
| August 18 | 100.9°F (1936) | 45.0°F (1933) | 3.04 in (1954) |
| August 19 | 102.9°F (1955) | 39.0°F (1967) | 1.40 in (1990) |
| August 20 | 105.1°F (1955) | 32.0°F (1950) | 2.10 in (2007) |
| August 21 | 100.9°F (1947) | 42.1°F (1925) | 1.75 in (2002) |
| August 22 | 100.0°F (1938) | 36.0°F (1923) | 2.42 in (1975) |
| August 23 | 102.9°F (1936) | 39.9°F (1966) | 1.67 in (1967) |
| August 24 | 111.9°F (1936) | 32.0°F (1934) | 2.08 in (1906) |
| August 25 | 106.0°F (1955) | 39.0°F (1934) | 1.48 in (1902) |
| August 26 | 107.1°F (1955) | 36.0°F (1910) | 1.93 in (1903) |
| August 27 | 100.9°F (1926) | 34.0°F (1916) | 3.51 in (1936) |
| August 28 | 102.9°F (1955) | 32.0°F (1917) | 1.70 in (1952) |
| August 29 | 102.9°F (1970) | 36.0°F (1909) | 3.48 in (2021) |
| August 30 | 102.9°F (2012) | 37.0°F (1935) | 3.37 in (1962) |
| August 31 | 98.1°F (1948) | 37.9°F (1910) | 1.73 in (1942) |