August weather in Troy, MT
The average temperature in Troy in August is 66.8°F (47.7°F–86.0°F). Average precipitation: 0.71 inches.
August is a summer month in Troy, and is warmer than the annual average of 46.8°F. Daily temperatures swing about 38.3°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 14h 9m. For travel, August is a comfortable month to visit.
Avg High
86.0°F
Avg Low
47.7°F
Precipitation
0.71 in
Daylight
14h 9m
August records in Troy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 105.1°F (2003) | 36.0°F (2006) | 0.52 in (1991) |
| August 2 | 104.0°F (1992) | 37.9°F (1963) | 0.45 in (1997) |
| August 3 | 102.0°F (1961) | 39.0°F (2005) | 0.84 in (1965) |
| August 4 | 106.0°F (1961) | 35.1°F (1980) | 0.32 in (1977) |
| August 5 | 104.0°F (1961) | 39.0°F (2006) | 0.43 in (1965) |
| August 6 | 102.9°F (1971) | 37.0°F (2006) | 0.52 in (1999) |
| August 7 | 102.0°F (2019) | 37.0°F (1969) | 0.45 in (1995) |
| August 8 | 100.9°F (1972) | 39.0°F (1968) | 0.65 in (2016) |
| August 9 | 102.9°F (2003) | 37.0°F (1970) | 0.35 in (1989) |
| August 10 | 106.0°F (2018) | 37.0°F (1961) | 0.25 in (1989) |
| August 11 | 102.9°F (2000) | 36.0°F (1961) | 0.66 in (1983) |
| August 12 | 100.9°F (1967) | 37.9°F (1961) | 0.54 in (1965) |
| August 13 | 104.0°F (2015) | 36.0°F (2005) | 0.81 in (2009) |
| August 14 | 106.0°F (1994) | 37.9°F (1962) | 0.43 in (1966) |
| August 15 | 109.9°F (1994) | 37.9°F (1970) | 0.45 in (1976) |
| August 16 | 109.9°F (1994) | 37.0°F (1985) | 0.62 in (1978) |
| August 17 | 104.0°F (1967) | 35.1°F (1969) | 0.53 in (2021) |
| August 18 | 104.0°F (1967) | 33.1°F (1973) | 0.68 in (1980) |
| August 19 | 102.9°F (1977) | 36.0°F (1970) | 1.27 in (1990) |
| August 20 | 99.0°F (1967) | 35.1°F (1966) | 1.22 in (1965) |
| August 21 | 100.0°F (2003) | 35.1°F (1966) | 0.56 in (1990) |
| August 22 | 100.0°F (2005) | 35.1°F (1966) | 0.78 in (1992) |
| August 23 | 100.0°F (1961) | 36.0°F (1985) | 1.19 in (1976) |
| August 24 | 100.0°F (1961) | 32.0°F (1964) | 0.91 in (1983) |
| August 25 | 99.0°F (1966) | 34.0°F (1980) | 0.57 in (2004) |
| August 26 | 100.0°F (2003) | 35.1°F (1967) | 0.63 in (2004) |
| August 27 | 96.1°F (1971) | 36.0°F (1994) | 0.36 in (2018) |
| August 28 | 98.1°F (1971) | 34.0°F (1969) | 0.48 in (1964) |
| August 29 | 98.1°F (1986) | 34.0°F (1969) | 0.66 in (1977) |
| August 30 | 95.0°F (1967) | 30.9°F (1980) | 1.84 in (1986) |
| August 31 | 98.1°F (1967) | 34.0°F (1969) | 0.47 in (1961) |