August weather in Fort Pierre, SD
The average temperature in Fort Pierre in August is 73.0°F (59.4°F–86.6°F). Average precipitation: 1.95 inches.
August is a summer month in Fort Pierre, and is warmer than the annual average of 47°F. Daily temperatures swing about 27.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 51m. For travel, August is a comfortable month to visit.
Avg High
86.6°F
Avg Low
59.4°F
Precipitation
1.95 in
Daylight
13h 51m
August records in Fort Pierre
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 109.0°F (1943) | 48.9°F (2009) | 1.60 in (1970) |
| August 2 | 109.9°F (1938) | 45.0°F (1978) | 3.52 in (1953) |
| August 3 | 109.9°F (1947) | 42.1°F (1978) | 2.36 in (2007) |
| August 4 | 109.9°F (1947) | 46.0°F (1974) | 2.59 in (1995) |
| August 5 | 109.0°F (1941) | 48.0°F (2012) | 1.39 in (1909) |
| August 6 | 109.0°F (1941) | 48.9°F (1976) | 1.84 in (1897) |
| August 7 | 105.1°F (2005) | 45.0°F (1989) | 1.41 in (1970) |
| August 8 | 108.0°F (1936) | 46.9°F (1939) | 0.76 in (1948) |
| August 9 | 113.0°F (1947) | 44.1°F (2024) | 1.93 in (1933) |
| August 10 | 111.0°F (1936) | 44.1°F (1985) | 1.72 in (1923) |
| August 11 | 109.0°F (1988) | 46.9°F (1946) | 1.66 in (2019) |
| August 12 | 106.0°F (1978) | 39.0°F (1964) | 2.17 in (1951) |
| August 13 | 108.0°F (1965) | 48.0°F (1975) | 1.35 in (1997) |
| August 14 | 114.1°F (1937) | 44.1°F (2004) | 2.00 in (1951) |
| August 15 | 114.1°F (1988) | 52.0°F (1942) | 1.64 in (2009) |
| August 16 | 106.0°F (1969) | 48.0°F (1977) | 0.96 in (1941) |
| August 17 | 108.0°F (1976) | 41.0°F (2012) | 0.71 in (1940) |
| August 18 | 111.0°F (1959) | 44.1°F (2002) | 1.88 in (2015) |
| August 19 | 104.0°F (1948) | 43.0°F (1967) | 0.82 in (1912) |
| August 20 | 108.0°F (1976) | 43.0°F (1950) | 2.09 in (2024) |
| August 21 | 104.0°F (1947) | 43.0°F (1986) | 1.35 in (2017) |
| August 22 | 105.1°F (1960) | 45.0°F (1945) | 2.00 in (1946) |
| August 23 | 109.9°F (1936) | 43.0°F (1942) | 0.69 in (1982) |
| August 24 | 107.1°F (2000) | 42.1°F (1934) | 2.12 in (1903) |
| August 25 | 108.0°F (1991) | 45.0°F (1934) | 1.54 in (1944) |
| August 26 | 108.0°F (1991) | 44.1°F (1934) | 2.83 in (2022) |
| August 27 | 109.9°F (1973) | 41.0°F (1992) | 1.66 in (1975) |
| August 28 | 106.0°F (1959) | 41.0°F (1986) | 0.73 in (2014) |
| August 29 | 111.0°F (2012) | 39.9°F (1946) | 2.46 in (1999) |
| August 30 | 107.1°F (2000) | 42.1°F (1935) | 1.75 in (1912) |
| August 31 | 102.9°F (1953) | 39.0°F (1974) | 1.83 in (1942) |