August weather in Bozeman, MT
The average temperature in Bozeman in August is 65.6°F (50.0°F–81.3°F). Average precipitation: 1.32 inches.
August is a summer month in Bozeman, and is warmer than the annual average of 44.1°F. Daily temperatures swing about 31.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 56m. For travel, August is a comfortable month to visit.
Avg High
81.3°F
Avg Low
50.0°F
Precipitation
1.32 in
Snow
0.1 in
August records in Bozeman
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 97.0°F (1989) | 39.0°F (2001) | 0.50 in (1948) |
| August 2 | 95.0°F (2022) | 37.0°F (1935) | 0.82 in (1911) |
| August 3 | 97.0°F (1961) | 37.9°F (1938) | 0.64 in (1985) |
| August 4 | 98.1°F (1961) | 41.0°F (1923) | 0.99 in (1951) |
| August 5 | 99.0°F (1961) | 39.0°F (1935) | 0.69 in (1999) |
| August 6 | 97.0°F (1983) | 42.1°F (1933) | 0.56 in (1970) |
| August 7 | 96.1°F (1901) | 33.1°F (1946) | 0.69 in (1974) |
| August 8 | 95.0°F (2001) | 36.0°F (1939) | 1.06 in (1995) |
| August 9 | 96.1°F (2000) | 32.0°F (1895) | 0.45 in (1939) |
| August 10 | 97.0°F (2012) | 35.1°F (1902) | 0.78 in (1907) |
| August 11 | 100.0°F (2018) | 39.9°F (1907) | 0.57 in (1926) |
| August 12 | 97.0°F (2018) | 37.9°F (1900) | 1.30 in (1969) |
| August 13 | 97.0°F (2003) | 37.9°F (1942) | 0.51 in (1980) |
| August 14 | 99.0°F (2003) | 34.0°F (2005) | 0.64 in (1925) |
| August 15 | 96.1°F (2003) | 35.1°F (1925) | 0.69 in (1968) |
| August 16 | 95.0°F (2003) | 33.1°F (1925) | 0.93 in (1997) |
| August 17 | 97.0°F (2023) | 35.1°F (1912) | 0.31 in (1962) |
| August 18 | 93.9°F (2023) | 33.1°F (1902) | 0.87 in (1926) |
| August 19 | 96.1°F (2025) | 33.1°F (1916) | 0.87 in (1964) |
| August 20 | 97.0°F (2025) | 28.0°F (1927) | 1.36 in (2021) |
| August 21 | 95.0°F (1896) | 34.0°F (1904) | 0.55 in (1954) |
| August 22 | 93.9°F (2009) | 34.0°F (1896) | 0.73 in (1927) |
| August 23 | 93.0°F (1969) | 32.0°F (1992) | 1.08 in (2014) |
| August 24 | 95.0°F (1969) | 30.9°F (1910) | 0.64 in (1995) |
| August 25 | 95.0°F (1969) | 26.1°F (1910) | 0.56 in (1933) |
| August 26 | 95.0°F (2003) | 32.0°F (1908) | 0.88 in (1933) |
| August 27 | 93.0°F (2010) | 33.1°F (1976) | 0.90 in (2018) |
| August 28 | 95.0°F (1924) | 32.0°F (1960) | 0.66 in (1999) |
| August 29 | 93.9°F (2005) | 30.9°F (1920) | 1.33 in (1964) |
| August 30 | 93.0°F (1954) | 28.9°F (1965) | 0.48 in (1932) |
| August 31 | 93.9°F (1955) | 30.9°F (1932) | 0.77 in (1984) |