August weather in Columbia Falls, MT
The average temperature in Columbia Falls in August is 63.7°F (45.7°F–81.7°F). Average precipitation: 0.76 inches.
August is a summer month in Columbia Falls, and is warmer than the annual average of 43.1°F. Daily temperatures swing about 36°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 14h 8m. For travel, August is a comfortable month to visit.
Avg High
81.7°F
Avg Low
45.7°F
Precipitation
0.76 in
Daylight
14h 8m
August records in Columbia Falls
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (2015) | 37.0°F (1953) | 1.50 in (1948) |
| August 2 | 99.0°F (1961) | 36.0°F (1963) | 0.85 in (2013) |
| August 3 | 100.9°F (1961) | 37.9°F (1900) | 1.73 in (1976) |
| August 4 | 105.1°F (1961) | 32.0°F (1896) | 0.78 in (1911) |
| August 5 | 102.9°F (1961) | 39.0°F (1958) | 0.48 in (1933) |
| August 6 | 95.0°F (1963) | 37.0°F (1980) | 0.48 in (1950) |
| August 7 | 96.1°F (1983) | 35.1°F (1969) | 0.33 in (1995) |
| August 8 | 98.1°F (1930) | 37.0°F (1917) | 0.53 in (2002) |
| August 9 | 98.1°F (2000) | 35.1°F (1914) | 1.06 in (1916) |
| August 10 | 100.0°F (2018) | 37.0°F (1947) | 1.06 in (1920) |
| August 11 | 98.1°F (1971) | 37.9°F (1997) | 0.72 in (1920) |
| August 12 | 97.0°F (1971) | 35.1°F (2000) | 0.57 in (1906) |
| August 13 | 97.0°F (2015) | 34.0°F (2005) | 0.52 in (1945) |
| August 14 | 96.1°F (1992) | 33.1°F (1949) | 0.64 in (1968) |
| August 15 | 98.1°F (2021) | 36.0°F (2017) | 1.01 in (1968) |
| August 16 | 98.1°F (1962) | 35.1°F (1905) | 0.47 in (1947) |
| August 17 | 100.0°F (2023) | 32.0°F (1969) | 1.25 in (1914) |
| August 18 | 99.0°F (2008) | 33.1°F (1973) | 0.81 in (1980) |
| August 19 | 97.0°F (1967) | 34.0°F (1996) | 0.37 in (2014) |
| August 20 | 96.1°F (1898) | 32.0°F (2000) | 0.65 in (1932) |
| August 21 | 95.0°F (1969) | 33.1°F (1966) | 0.86 in (1990) |
| August 22 | 96.1°F (1969) | 33.1°F (2000) | 1.90 in (1947) |
| August 23 | 98.1°F (1969) | 30.9°F (1962) | 0.60 in (1965) |
| August 24 | 102.9°F (1969) | 33.1°F (1992) | 1.27 in (1989) |
| August 25 | 99.0°F (1981) | 30.0°F (1910) | 0.76 in (2004) |
| August 26 | 98.1°F (1981) | 32.0°F (1991) | 0.80 in (1956) |
| August 27 | 95.0°F (1971) | 33.1°F (1995) | 0.49 in (1946) |
| August 28 | 93.0°F (1986) | 30.0°F (2000) | 0.47 in (1975) |
| August 29 | 95.0°F (1972) | 30.9°F (1969) | 0.57 in (1956) |
| August 30 | 93.9°F (1929) | 30.9°F (1959) | 1.32 in (1951) |
| August 31 | 91.9°F (1929) | 30.9°F (1999) | 0.56 in (1926) |