August weather in Montrose, SD
The average temperature in Montrose in August is °F (°F–°F). Average precipitation: 3.46 inches.
August is a summer month in Montrose, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 13h 48m.
Avg High
°F
Avg Low
°F
Precipitation
3.46 in
Daylight
13h 48m
August records in Montrose
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1964) | 46.9°F (1968) | 1.47 in (2007) |
| August 2 | 97.0°F (1964) | 42.1°F (1971) | 2.29 in (2006) |
| August 3 | 93.9°F (1973) | 43.0°F (1972) | 1.90 in (2004) |
| August 4 | 93.9°F (1973) | 45.0°F (1967) | 1.03 in (2005) |
| August 5 | 96.1°F (1968) | 54.0°F (1971) | 2.17 in (2000) |
| August 6 | 96.1°F (1973) | 54.0°F (1971) | 1.00 in (2025) |
| August 7 | 95.0°F (1968) | 50.0°F (1969) | 2.22 in (1992) |
| August 8 | 91.9°F (1968) | 44.1°F (1964) | 1.41 in (2006) |
| August 9 | 89.1°F (1968) | 41.0°F (1966) | 0.79 in (1969) |
| August 10 | 95.0°F (1964) | 43.0°F (1967) | 0.60 in (2010) |
| August 11 | 93.0°F (1969) | 44.1°F (1968) | 1.09 in (2013) |
| August 12 | 95.0°F (1971) | 36.0°F (1964) | 0.81 in (2006) |
| August 13 | 100.0°F (1965) | 35.1°F (1964) | 1.07 in (1988) |
| August 14 | 97.0°F (1970) | 43.0°F (1969) | 1.62 in (2017) |
| August 15 | 95.0°F (1970) | 55.0°F (1965) | 2.18 in (2018) |
| August 16 | 96.1°F (1972) | 46.0°F (1964) | 1.01 in (2017) |
| August 17 | 97.0°F (1972) | 46.9°F (1963) | 1.70 in (1993) |
| August 18 | 95.0°F (1971) | 46.0°F (1966) | 1.20 in (2025) |
| August 19 | 98.1°F (1973) | 39.0°F (1967) | 0.70 in (1966) |
| August 20 | 95.0°F (1972) | 42.1°F (1970) | 1.60 in (2018) |
| August 21 | 96.1°F (1968) | 46.9°F (1964) | 1.11 in (1988) |
| August 22 | 98.1°F (1971) | 43.0°F (1965) | 0.60 in (2025) |
| August 23 | 98.1°F (1971) | 41.0°F (1966) | 1.82 in (1967) |
| August 24 | 93.0°F (1971) | 42.1°F (1966) | 1.45 in (1992) |
| August 25 | 91.0°F (1970) | 37.9°F (1964) | 0.68 in (1992) |
| August 26 | 106.0°F (1973) | 50.0°F (1964) | 1.26 in (2017) |
| August 27 | 100.0°F (1973) | 44.1°F (1971) | 1.55 in (1964) |
| August 28 | 99.0°F (1973) | 43.0°F (1965) | 1.28 in (2011) |
| August 29 | 98.1°F (1970) | 53.1°F (1972) | 1.86 in (2021) |
| August 30 | 91.0°F (1970) | 46.0°F (1963) | 0.76 in (1971) |
| August 31 | 88.0°F (1973) | 37.9°F (1965) | 2.40 in (2005) |