August weather in Egan, SD
The average temperature in Egan in August is 68.1°F (57.2°F–79.0°F). Average precipitation: 3.60 inches.
August is a summer month in Egan, and is warmer than the annual average of 43.3°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 50m. For travel, August is one of the best months of the year to visit.
Avg High
79.0°F
Avg Low
57.2°F
Precipitation
3.60 in
Daylight
13h 50m
August records in Egan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (1988) | 43.0°F (1920) | 1.77 in (1921) |
| August 2 | 100.0°F (1930) | 42.1°F (1923) | 2.20 in (2006) |
| August 3 | 106.0°F (1930) | 39.0°F (1894) | 1.83 in (1908) |
| August 4 | 105.1°F (1934) | 41.0°F (1978) | 2.16 in (2004) |
| August 5 | 97.0°F (1931) | 41.0°F (1910) | 1.54 in (1995) |
| August 6 | 104.0°F (1894) | 43.0°F (1902) | 2.27 in (2002) |
| August 7 | 98.1°F (1896) | 43.0°F (1904) | 2.25 in (1923) |
| August 8 | 100.9°F (1894) | 39.9°F (1927) | 1.72 in (1979) |
| August 9 | 100.9°F (1947) | 35.1°F (1927) | 1.47 in (2017) |
| August 10 | 100.9°F (1947) | 39.0°F (1917) | 2.45 in (1994) |
| August 11 | 99.0°F (1936) | 28.9°F (1912) | 4.57 in (1932) |
| August 12 | 100.9°F (1965) | 41.0°F (1977) | 2.02 in (1951) |
| August 13 | 102.0°F (1965) | 33.1°F (1964) | 2.85 in (1894) |
| August 14 | 96.1°F (1928) | 42.1°F (1929) | 2.30 in (1981) |
| August 15 | 106.0°F (1937) | 42.1°F (1929) | 1.37 in (1978) |
| August 16 | 102.0°F (1988) | 45.0°F (2013) | 1.28 in (1928) |
| August 17 | 100.0°F (1988) | 39.0°F (2012) | 2.06 in (2017) |
| August 18 | 97.0°F (1936) | 41.0°F (2002) | 2.30 in (1912) |
| August 19 | 98.1°F (1955) | 37.9°F (1967) | 2.95 in (2016) |
| August 20 | 99.0°F (1955) | 34.0°F (1950) | 2.05 in (1990) |
| August 21 | 98.1°F (1898) | 35.1°F (2004) | 2.72 in (2002) |
| August 22 | 99.0°F (1938) | 35.1°F (1923) | 2.00 in (1988) |
| August 23 | 102.9°F (1971) | 37.9°F (1927) | 2.67 in (1957) |
| August 24 | 108.0°F (1936) | 33.1°F (1934) | 3.22 in (1906) |
| August 25 | 100.0°F (1955) | 36.0°F (1934) | 2.62 in (1954) |
| August 26 | 102.0°F (1955) | 37.0°F (1910) | 1.60 in (1967) |
| August 27 | 105.1°F (1973) | 39.0°F (1971) | 2.40 in (1983) |
| August 28 | 99.0°F (1956) | 32.0°F (1935) | 2.41 in (1960) |
| August 29 | 99.0°F (1984) | 36.0°F (1893) | 1.54 in (1920) |
| August 30 | 102.9°F (1898) | 35.1°F (1915) | 3.69 in (1902) |
| August 31 | 98.1°F (1898) | 34.0°F (1895) | 2.17 in (2010) |