August weather in Dillon, MT
The average temperature in Dillon in August is 63.2°F (45.5°F–80.9°F). Average precipitation: 0.86 inches.
August is a summer month in Dillon, and is warmer than the annual average of 42.8°F. Daily temperatures swing about 35.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 54m. For travel, August is a comfortable month to visit.
Avg High
80.9°F
Avg Low
45.5°F
Precipitation
0.86 in
Daylight
13h 54m
August records in Dillon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 99.0°F (1973) | 34.0°F (1911) | 1.07 in (1912) |
| August 2 | 97.0°F (2020) | 33.1°F (1911) | 0.80 in (2004) |
| August 3 | 96.1°F (1961) | 32.0°F (1911) | 1.22 in (1912) |
| August 4 | 96.1°F (1961) | 35.1°F (1918) | 0.87 in (1922) |
| August 5 | 96.1°F (1961) | 32.0°F (1896) | 0.50 in (2022) |
| August 6 | 95.0°F (1983) | 35.1°F (1996) | 0.30 in (1900) |
| August 7 | 95.0°F (1983) | 32.0°F (1939) | 0.64 in (2009) |
| August 8 | 93.9°F (1942) | 32.0°F (1946) | 0.50 in (1945) |
| August 9 | 93.0°F (1991) | 34.0°F (1900) | 0.45 in (1900) |
| August 10 | 96.1°F (1969) | 32.0°F (1902) | 1.18 in (1907) |
| August 11 | 99.0°F (2018) | 30.0°F (1896) | 0.73 in (1985) |
| August 12 | 100.0°F (1940) | 30.0°F (1896) | 0.60 in (1969) |
| August 13 | 93.0°F (1933) | 34.0°F (1896) | 1.01 in (1925) |
| August 14 | 91.9°F (1929) | 32.0°F (1902) | 0.82 in (1925) |
| August 15 | 93.0°F (1929) | 32.0°F (1913) | 0.65 in (1987) |
| August 16 | 93.0°F (1931) | 33.1°F (2011) | 1.01 in (1997) |
| August 17 | 93.9°F (1931) | 28.9°F (1902) | 0.25 in (1902) |
| August 18 | 93.0°F (1986) | 30.9°F (1916) | 0.89 in (1926) |
| August 19 | 93.9°F (1942) | 28.9°F (1907) | 0.52 in (1964) |
| August 20 | 91.9°F (1953) | 26.1°F (1904) | 1.00 in (2023) |
| August 21 | 95.0°F (1969) | 30.0°F (1966) | 1.10 in (1993) |
| August 22 | 97.0°F (1969) | 30.0°F (1896) | 0.67 in (1906) |
| August 23 | 99.0°F (1969) | 30.0°F (1896) | 1.11 in (1906) |
| August 24 | 96.1°F (1969) | 32.0°F (1911) | 0.52 in (1951) |
| August 25 | 93.9°F (1969) | 25.0°F (1910) | 0.63 in (1905) |
| August 26 | 91.9°F (1970) | 30.9°F (1906) | 1.31 in (1905) |
| August 27 | 91.9°F (1924) | 30.0°F (1908) | 0.87 in (1970) |
| August 28 | 93.0°F (1924) | 32.0°F (1903) | 0.51 in (1904) |
| August 29 | 91.9°F (1917) | 30.0°F (1980) | 0.98 in (1932) |
| August 30 | 91.9°F (1954) | 30.0°F (1920) | 0.81 in (1971) |
| August 31 | 95.0°F (1955) | 28.9°F (1977) | 0.75 in (1935) |