August weather in Hardin, MT
The average temperature in Hardin in August is 71.5°F (53.3°F–89.7°F). Average precipitation: 0.86 inches.
August is a summer month in Hardin, and is warmer than the annual average of 47.7°F. Daily temperatures swing about 36.4°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 13h 57m. For travel, August is hot.
Avg High
89.7°F
Avg Low
53.3°F
Precipitation
0.86 in
Daylight
13h 57m
August records in Hardin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (2008) | 39.9°F (1950) | 0.53 in (1969) |
| August 2 | 105.1°F (2024) | 44.1°F (1950) | 0.85 in (2017) |
| August 3 | 108.0°F (2001) | 39.9°F (1978) | 0.64 in (2025) |
| August 4 | 106.0°F (2001) | 42.1°F (1980) | 1.18 in (2008) |
| August 5 | 104.0°F (1964) | 39.0°F (1980) | 0.42 in (2024) |
| August 6 | 107.1°F (1961) | 45.0°F (1964) | 0.62 in (2022) |
| August 7 | 106.0°F (1990) | 41.0°F (1950) | 0.75 in (2016) |
| August 8 | 104.0°F (1990) | 35.1°F (1985) | 0.65 in (2025) |
| August 9 | 104.0°F (1991) | 30.0°F (1985) | 0.19 in (1976) |
| August 10 | 104.0°F (1984) | 43.0°F (1985) | 0.44 in (1968) |
| August 11 | 105.1°F (2018) | 37.0°F (1977) | 0.55 in (1962) |
| August 12 | 105.1°F (2003) | 27.0°F (1985) | 0.75 in (1973) |
| August 13 | 104.0°F (2003) | 43.0°F (1964) | 0.98 in (1969) |
| August 14 | 105.1°F (2003) | 32.0°F (1986) | 0.54 in (1951) |
| August 15 | 105.1°F (2003) | 42.1°F (1959) | 0.61 in (1972) |
| August 16 | 102.9°F (1990) | 37.0°F (1985) | 0.21 in (2009) |
| August 17 | 102.9°F (2003) | 37.9°F (2002) | 0.42 in (1995) |
| August 18 | 105.1°F (2021) | 39.9°F (1987) | 0.35 in (1975) |
| August 19 | 102.0°F (1964) | 42.1°F (2015) | 0.95 in (2016) |
| August 20 | 102.9°F (1971) | 35.1°F (1950) | 1.86 in (2021) |
| August 21 | 105.1°F (1991) | 39.9°F (1950) | 0.66 in (1965) |
| August 22 | 102.9°F (1971) | 36.0°F (1966) | 0.36 in (1954) |
| August 23 | 100.9°F (1976) | 34.0°F (2015) | 1.15 in (1973) |
| August 24 | 109.0°F (1952) | 37.0°F (1966) | 0.72 in (2014) |
| August 25 | 108.0°F (1952) | 32.0°F (1992) | 0.55 in (1987) |
| August 26 | 104.0°F (1952) | 35.1°F (1992) | 0.20 in (1993) |
| August 27 | 102.0°F (1971) | 35.1°F (1992) | 0.30 in (1956) |
| August 28 | 102.0°F (1971) | 35.1°F (1960) | 0.45 in (1956) |
| August 29 | 100.0°F (2001) | 36.0°F (1965) | 0.50 in (1964) |
| August 30 | 105.1°F (1948) | 33.1°F (1992) | 1.39 in (2010) |
| August 31 | 104.0°F (1991) | 32.0°F (1990) | 1.12 in (1957) |