August weather in Edgemont, SD
The average temperature in Edgemont in August is 69.7°F (52.1°F–87.3°F). Average precipitation: 1.50 inches.
August is a summer month in Edgemont, and is warmer than the annual average of 44.4°F. Daily temperatures swing about 35.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 47m. For travel, August is a comfortable month to visit.
Avg High
87.3°F
Avg Low
52.1°F
Precipitation
1.50 in
Daylight
13h 47m
August records in Edgemont
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 106.0°F (2011) | 44.1°F (2009) | 1.79 in (1999) |
| August 2 | 104.0°F (2022) | 44.1°F (2009) | 0.58 in (2019) |
| August 3 | 104.0°F (2024) | 48.9°F (1993) | 0.36 in (2023) |
| August 4 | 106.0°F (2024) | 45.0°F (1980) | 1.52 in (1988) |
| August 5 | 105.1°F (2022) | 39.9°F (1980) | 1.75 in (2002) |
| August 6 | 106.0°F (2022) | 48.9°F (2018) | 0.58 in (2018) |
| August 7 | 104.0°F (1979) | 42.1°F (1996) | 0.85 in (2014) |
| August 8 | 107.1°F (2025) | 48.9°F (2018) | 0.92 in (1949) |
| August 9 | 102.9°F (1985) | 48.9°F (2018) | 1.18 in (2023) |
| August 10 | 102.0°F (1983) | 45.0°F (2010) | 0.55 in (2011) |
| August 11 | 104.0°F (2022) | 42.1°F (2004) | 0.86 in (2012) |
| August 12 | 104.0°F (2022) | 45.0°F (2002) | 1.24 in (2019) |
| August 13 | 102.0°F (2020) | 45.0°F (1985) | 0.92 in (2005) |
| August 14 | 102.0°F (2007) | 44.1°F (1995) | 0.33 in (2013) |
| August 15 | 102.0°F (2025) | 46.0°F (2020) | 0.77 in (2019) |
| August 16 | 104.0°F (2015) | 44.1°F (2002) | 0.88 in (1980) |
| August 17 | 102.0°F (1995) | 0.0°F (1988) | 1.24 in (2003) |
| August 18 | 104.0°F (2021) | 44.1°F (1987) | 0.62 in (1982) |
| August 19 | 104.0°F (2010) | 45.0°F (1995) | 0.66 in (2021) |
| August 20 | 102.9°F (1986) | 33.1°F (2018) | 1.10 in (1979) |
| August 21 | 102.0°F (2025) | 32.0°F (2018) | 0.39 in (1998) |
| August 22 | 102.9°F (2010) | 41.0°F (2016) | 0.84 in (1993) |
| August 23 | 105.1°F (2010) | 37.0°F (2015) | 0.37 in (1992) |
| August 24 | 104.0°F (2020) | 39.9°F (2015) | 0.65 in (1982) |
| August 25 | 100.0°F (2012) | 39.9°F (2018) | 0.71 in (2007) |
| August 26 | 106.0°F (2011) | 43.0°F (2023) | 0.54 in (1992) |
| August 27 | 105.1°F (2010) | 37.0°F (1992) | 0.39 in (2006) |
| August 28 | 105.1°F (2010) | 37.0°F (2019) | 1.05 in (1989) |
| August 29 | 104.0°F (2012) | 37.0°F (2019) | 0.80 in (1982) |
| August 30 | 107.1°F (2012) | 39.0°F (1984) | 1.65 in (1996) |
| August 31 | 104.0°F (2015) | 37.0°F (2020) | 0.26 in (1979) |