August weather in Plentywood, MT
The average temperature in Plentywood in August is 66.4°F (50.6°F–82.3°F). Average precipitation: 1.46 inches.
August is a summer month in Plentywood, and is warmer than the annual average of 39.4°F. Daily temperatures swing about 31.7°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 14h 10m. For travel, August is a comfortable month to visit.
Avg High
82.3°F
Avg Low
50.6°F
Precipitation
1.46 in
Daylight
14h 10m
August records in Plentywood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (1989) | 37.9°F (2009) | 1.28 in (1953) |
| August 2 | 100.9°F (1989) | 34.0°F (1907) | 0.85 in (1959) |
| August 3 | 98.1°F (2001) | 42.1°F (1995) | 0.74 in (1956) |
| August 4 | 93.9°F (1906) | 39.0°F (1907) | 0.52 in (2003) |
| August 5 | 102.0°F (2022) | 41.0°F (1906) | 1.44 in (1981) |
| August 6 | 104.0°F (1995) | 42.1°F (2006) | 0.72 in (2017) |
| August 7 | 104.0°F (1995) | 41.0°F (1989) | 1.09 in (2002) |
| August 8 | 98.1°F (1907) | 39.0°F (1996) | 0.98 in (1976) |
| August 9 | 98.1°F (1907) | 39.9°F (2001) | 1.50 in (2006) |
| August 10 | 100.0°F (2000) | 34.0°F (2001) | 1.15 in (1947) |
| August 11 | 104.0°F (2018) | 39.9°F (2004) | 0.39 in (1990) |
| August 12 | 107.1°F (2018) | 37.9°F (1992) | 0.85 in (2019) |
| August 13 | 100.0°F (2015) | 33.1°F (1907) | 3.98 in (1947) |
| August 14 | 102.0°F (1906) | 39.9°F (1994) | 0.94 in (1974) |
| August 15 | 108.0°F (1906) | 35.1°F (2000) | 1.58 in (1968) |
| August 16 | 99.0°F (1990) | 37.0°F (2001) | 1.26 in (1985) |
| August 17 | 100.9°F (2021) | 37.0°F (1986) | 0.56 in (1947) |
| August 18 | 99.0°F (2018) | 32.0°F (1907) | 1.01 in (1968) |
| August 19 | 104.0°F (1906) | 35.1°F (1907) | 0.34 in (1972) |
| August 20 | 99.0°F (2020) | 35.1°F (2004) | 0.78 in (1966) |
| August 21 | 96.1°F (2020) | 32.0°F (2000) | 0.93 in (1974) |
| August 22 | 100.0°F (2012) | 36.0°F (2000) | 2.03 in (1993) |
| August 23 | 98.1°F (1989) | 37.0°F (2015) | 1.29 in (1968) |
| August 24 | 93.0°F (2012) | 34.0°F (2015) | 0.80 in (2014) |
| August 25 | 95.0°F (1999) | 30.0°F (1906) | 2.45 in (1960) |
| August 26 | 98.1°F (2000) | 30.0°F (1906) | 1.30 in (1963) |
| August 27 | 99.0°F (2001) | 37.0°F (1907) | 0.40 in (2022) |
| August 28 | 99.0°F (2001) | 36.0°F (1988) | 0.46 in (1985) |
| August 29 | 102.0°F (2012) | 35.1°F (1988) | 0.58 in (1993) |
| August 30 | 96.1°F (1991) | 36.0°F (1992) | 1.40 in (1952) |
| August 31 | 99.0°F (1991) | 34.0°F (1992) | 0.49 in (1977) |