August weather in Harlowton, MT
The average temperature in Harlowton in August is 65.8°F (48.4°F–83.2°F). Average precipitation: 1.25 inches.
August is a summer month in Harlowton, and is warmer than the annual average of 43.8°F. Daily temperatures swing about 34.8°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 60m. For travel, August is a comfortable month to visit.
Avg High
83.2°F
Avg Low
48.4°F
Precipitation
1.25 in
Daylight
13h 60m
August records in Harlowton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 98.1°F (2022) | 39.0°F (1950) | 0.68 in (1978) |
| August 2 | 99.0°F (2024) | 39.0°F (2002) | 0.71 in (1984) |
| August 3 | 100.0°F (2001) | 37.0°F (1967) | 1.42 in (1985) |
| August 4 | 98.1°F (2008) | 39.9°F (1948) | 0.60 in (1977) |
| August 5 | 100.9°F (1961) | 37.9°F (1980) | 0.93 in (1950) |
| August 6 | 100.0°F (1983) | 39.0°F (1959) | 0.44 in (1987) |
| August 7 | 98.1°F (1949) | 37.0°F (1964) | 0.93 in (1984) |
| August 8 | 99.0°F (2001) | 37.0°F (1996) | 1.05 in (2002) |
| August 9 | 97.0°F (2000) | 34.0°F (1960) | 0.40 in (1992) |
| August 10 | 96.1°F (1969) | 37.9°F (1995) | 0.46 in (1952) |
| August 11 | 98.1°F (2018) | 37.9°F (1977) | 0.85 in (1985) |
| August 12 | 98.1°F (2018) | 34.0°F (1987) | 0.70 in (1969) |
| August 13 | 93.9°F (2000) | 39.9°F (1966) | 0.56 in (1974) |
| August 14 | 96.1°F (1992) | 34.0°F (1959) | 0.22 in (1974) |
| August 15 | 97.0°F (1990) | 39.0°F (1959) | 0.81 in (1972) |
| August 16 | 96.1°F (2021) | 39.0°F (1954) | 0.84 in (2010) |
| August 17 | 96.1°F (2023) | 30.9°F (2002) | 0.42 in (1990) |
| August 18 | 96.1°F (1948) | 35.1°F (1987) | 0.82 in (2021) |
| August 19 | 96.1°F (2025) | 32.0°F (2002) | 0.61 in (1975) |
| August 20 | 95.0°F (1971) | 36.0°F (1951) | 1.40 in (1974) |
| August 21 | 96.1°F (1969) | 37.0°F (1948) | 0.39 in (1999) |
| August 22 | 97.0°F (1952) | 36.0°F (1992) | 0.72 in (1965) |
| August 23 | 99.0°F (1969) | 28.0°F (2015) | 0.57 in (1962) |
| August 24 | 98.1°F (1969) | 32.0°F (1960) | 1.02 in (1989) |
| August 25 | 95.0°F (1969) | 24.1°F (1992) | 0.61 in (1979) |
| August 26 | 99.0°F (2008) | 30.0°F (1967) | 0.69 in (1993) |
| August 27 | 99.0°F (2008) | 34.0°F (1993) | 0.70 in (1957) |
| August 28 | 96.1°F (2012) | 33.1°F (1960) | 0.68 in (1999) |
| August 29 | 99.0°F (2008) | 35.1°F (1992) | 0.63 in (1993) |
| August 30 | 96.1°F (2005) | 30.0°F (1980) | 1.48 in (2010) |
| August 31 | 96.1°F (1955) | 33.1°F (2000) | 0.70 in (2010) |