August weather in McLaughlin, SD
The average temperature in McLaughlin in August is 69.6°F (55.2°F–83.9°F). Average precipitation: 2.47 inches.
August is a summer month in McLaughlin, and is warmer than the annual average of 43.3°F. Daily temperatures swing about 28.7°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 57m. For travel, August is a comfortable month to visit.
Avg High
83.9°F
Avg Low
55.2°F
Precipitation
2.47 in
Daylight
13h 57m
August records in McLaughlin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1959) | 42.1°F (1948) | 0.95 in (2020) |
| August 2 | 102.0°F (1958) | 39.9°F (1978) | 0.85 in (1983) |
| August 3 | 102.0°F (1959) | 43.0°F (1974) | 1.15 in (1981) |
| August 4 | 102.9°F (1959) | 42.1°F (1974) | 1.90 in (1992) |
| August 5 | 100.9°F (1959) | 43.0°F (2009) | 2.87 in (2023) |
| August 6 | 102.0°F (1949) | 43.0°F (1993) | 1.78 in (2011) |
| August 7 | 105.1°F (1949) | 46.0°F (1989) | 1.00 in (1970) |
| August 8 | 105.1°F (1949) | 41.0°F (1953) | 2.58 in (2001) |
| August 9 | 107.1°F (1958) | 39.0°F (1966) | 0.81 in (2009) |
| August 10 | 100.9°F (1958) | 39.9°F (1985) | 1.10 in (2016) |
| August 11 | 102.0°F (1958) | 39.0°F (1952) | 1.90 in (1999) |
| August 12 | 100.0°F (1969) | 34.0°F (1964) | 2.20 in (2020) |
| August 13 | 100.0°F (1984) | 39.0°F (1964) | 1.21 in (2017) |
| August 14 | 100.0°F (1952) | 39.9°F (1982) | 0.68 in (1978) |
| August 15 | 100.9°F (2003) | 45.0°F (2002) | 3.20 in (1978) |
| August 16 | 102.0°F (2015) | 43.0°F (2000) | 2.50 in (1990) |
| August 17 | 102.9°F (1973) | 39.0°F (2002) | 0.86 in (1975) |
| August 18 | 108.0°F (1959) | 39.0°F (2004) | 4.88 in (2007) |
| August 19 | 102.9°F (1959) | 36.0°F (1950) | 1.10 in (1996) |
| August 20 | 102.9°F (2013) | 34.0°F (1950) | 1.27 in (1980) |
| August 21 | 100.0°F (1971) | 41.0°F (1956) | 1.26 in (2014) |
| August 22 | 100.0°F (1971) | 37.9°F (1992) | 2.25 in (1985) |
| August 23 | 104.0°F (2010) | 41.0°F (1966) | 2.82 in (2014) |
| August 24 | 100.0°F (1967) | 39.9°F (1958) | 0.87 in (2018) |
| August 25 | 100.9°F (1991) | 37.9°F (2025) | 0.55 in (2012) |
| August 26 | 102.9°F (1970) | 42.1°F (1967) | 1.40 in (1998) |
| August 27 | 102.9°F (1973) | 42.1°F (1992) | 0.82 in (1963) |
| August 28 | 104.0°F (1959) | 42.1°F (1962) | 1.18 in (1999) |
| August 29 | 102.0°F (1961) | 36.0°F (1988) | 0.60 in (1957) |
| August 30 | 105.1°F (2012) | 39.0°F (1965) | 2.33 in (1951) |
| August 31 | 100.0°F (1953) | 37.0°F (1958) | 0.87 in (1956) |