August weather in Colstrip, MT
The average temperature in Colstrip in August is 69.6°F (55.2°F–84.0°F). Average precipitation: 1.03 inches.
August is a summer month in Colstrip, and is warmer than the annual average of 46.1°F. Daily temperatures swing about 28.8°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
84.0°F
Avg Low
55.2°F
Precipitation
1.03 in
Daylight
13h 57m
August records in Colstrip
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1940) | 39.0°F (1991) | 0.50 in (1985) |
| August 2 | 104.0°F (1989) | 43.0°F (1937) | 0.90 in (1998) |
| August 3 | 107.1°F (1934) | 42.1°F (1937) | 1.52 in (1944) |
| August 4 | 104.0°F (1934) | 44.1°F (1978) | 0.90 in (2025) |
| August 5 | 106.0°F (1961) | 37.9°F (1936) | 0.51 in (1981) |
| August 6 | 111.0°F (1961) | 41.0°F (1945) | 1.31 in (2009) |
| August 7 | 104.0°F (2001) | 42.1°F (1964) | 0.52 in (2022) |
| August 8 | 102.9°F (1970) | 35.1°F (1939) | 0.38 in (2016) |
| August 9 | 104.0°F (1940) | 39.9°F (1980) | 0.72 in (1977) |
| August 10 | 107.1°F (1935) | 41.0°F (1980) | 0.41 in (1961) |
| August 11 | 102.9°F (1928) | 39.9°F (1964) | 1.26 in (1999) |
| August 12 | 102.9°F (1940) | 36.0°F (1964) | 0.48 in (1954) |
| August 13 | 106.0°F (1937) | 39.9°F (1985) | 1.07 in (1927) |
| August 14 | 104.0°F (1935) | 39.9°F (1959) | 0.49 in (1938) |
| August 15 | 102.9°F (2015) | 39.9°F (1970) | 0.44 in (2008) |
| August 16 | 99.0°F (1966) | 37.0°F (2002) | 0.39 in (1927) |
| August 17 | 102.9°F (1934) | 41.0°F (1944) | 0.35 in (1961) |
| August 18 | 100.9°F (1964) | 37.0°F (1940) | 0.74 in (1956) |
| August 19 | 102.0°F (2025) | 39.9°F (1934) | 1.13 in (1935) |
| August 20 | 102.0°F (1981) | 37.0°F (1950) | 0.98 in (1974) |
| August 21 | 100.9°F (1931) | 37.9°F (1951) | 0.90 in (1964) |
| August 22 | 102.9°F (1971) | 33.1°F (1966) | 1.12 in (1992) |
| August 23 | 102.0°F (1971) | 33.1°F (1966) | 1.52 in (1968) |
| August 24 | 100.0°F (1953) | 33.1°F (1992) | 3.16 in (2014) |
| August 25 | 100.0°F (1969) | 35.1°F (1964) | 0.60 in (1943) |
| August 26 | 100.0°F (1939) | 37.0°F (1967) | 0.69 in (1977) |
| August 27 | 100.0°F (1937) | 36.0°F (1983) | 0.74 in (1933) |
| August 28 | 98.1°F (1942) | 36.0°F (1960) | 0.63 in (1944) |
| August 29 | 98.1°F (1929) | 34.0°F (1992) | 1.83 in (1964) |
| August 30 | 102.0°F (1948) | 34.0°F (1980) | 1.79 in (1971) |
| August 31 | 100.0°F (1929) | 37.9°F (1949) | 0.91 in (1986) |