August weather in Hamilton, MT
The average temperature in Hamilton in August is 65.0°F (47.7°F–82.4°F). Average precipitation: 0.80 inches.
August is a summer month in Hamilton, and is warmer than the annual average of 44.8°F. Daily temperatures swing about 34.7°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 59m. For travel, August is a comfortable month to visit.
Avg High
82.4°F
Avg Low
47.7°F
Precipitation
0.80 in
Daylight
13h 59m
August records in Hamilton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.9°F (1900) | 39.0°F (1987) | 0.31 in (1960) |
| August 2 | 99.0°F (1966) | 36.0°F (1987) | 0.70 in (1911) |
| August 3 | 100.9°F (1961) | 37.9°F (1988) | 0.22 in (1965) |
| August 4 | 100.9°F (1961) | 39.9°F (1956) | 0.71 in (1922) |
| August 5 | 100.9°F (1961) | 37.0°F (1980) | 0.26 in (2002) |
| August 6 | 100.0°F (1901) | 37.9°F (1909) | 0.39 in (1950) |
| August 7 | 98.1°F (1958) | 36.0°F (1988) | 0.55 in (2009) |
| August 8 | 100.0°F (1930) | 39.0°F (1946) | 0.79 in (1922) |
| August 9 | 100.0°F (1935) | 39.0°F (1914) | 0.30 in (1982) |
| August 10 | 100.9°F (2003) | 39.9°F (1917) | 0.45 in (1930) |
| August 11 | 99.0°F (1996) | 37.9°F (1901) | 0.75 in (1915) |
| August 12 | 100.9°F (1940) | 35.1°F (1899) | 0.49 in (1986) |
| August 13 | 99.0°F (1935) | 36.0°F (1900) | 0.51 in (1908) |
| August 14 | 100.9°F (1929) | 37.9°F (1928) | 0.60 in (1922) |
| August 15 | 100.0°F (1929) | 36.0°F (1974) | 0.40 in (1993) |
| August 16 | 98.1°F (1931) | 28.9°F (1895) | 0.63 in (1995) |
| August 17 | 99.0°F (1931) | 24.1°F (1895) | 0.32 in (1916) |
| August 18 | 96.1°F (1931) | 19.0°F (1895) | 0.60 in (2004) |
| August 19 | 99.0°F (2008) | 19.0°F (1895) | 0.40 in (1990) |
| August 20 | 96.1°F (1942) | 28.0°F (1895) | 1.74 in (1974) |
| August 21 | 98.1°F (1969) | 30.0°F (1895) | 0.53 in (1933) |
| August 22 | 98.1°F (1935) | 21.9°F (1895) | 1.06 in (1947) |
| August 23 | 102.0°F (1935) | 28.0°F (1895) | 0.84 in (1965) |
| August 24 | 102.9°F (1969) | 28.0°F (1895) | 0.52 in (1999) |
| August 25 | 97.0°F (1969) | 26.1°F (1895) | 0.37 in (1987) |
| August 26 | 95.0°F (2010) | 21.9°F (1895) | 0.61 in (1903) |
| August 27 | 97.0°F (2010) | 24.1°F (1895) | 0.77 in (1991) |
| August 28 | 95.0°F (2011) | 19.0°F (1895) | 0.45 in (1964) |
| August 29 | 98.1°F (1998) | 21.0°F (1895) | 0.59 in (1961) |
| August 30 | 96.1°F (1921) | 27.0°F (1895) | 0.60 in (1971) |
| August 31 | 96.1°F (1929) | 27.0°F (1895) | 1.02 in (1984) |