August weather in Fairfield, MT
The average temperature in Fairfield in August is 65.5°F (51.9°F–79.0°F). Average precipitation: 1.05 inches.
August is a summer month in Fairfield, and is warmer than the annual average of 44.4°F. Daily temperatures swing about 27.1°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 14h 5m. For travel, August is one of the best months of the year to visit.
Avg High
79.0°F
Avg Low
51.9°F
Precipitation
1.05 in
Daylight
14h 5m
August records in Fairfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 95.0°F (1973) | 42.1°F (2002) | 0.95 in (1991) |
| August 2 | 95.0°F (1961) | 39.0°F (2002) | 0.72 in (1972) |
| August 3 | 95.0°F (1961) | 39.9°F (1978) | 0.95 in (2004) |
| August 4 | 98.1°F (1961) | 42.1°F (1982) | 0.61 in (1976) |
| August 5 | 99.0°F (1961) | 43.0°F (1940) | 0.22 in (1950) |
| August 6 | 99.0°F (1983) | 39.9°F (1988) | 1.01 in (1954) |
| August 7 | 98.1°F (1983) | 34.0°F (1939) | 0.89 in (2009) |
| August 8 | 95.0°F (1971) | 39.9°F (1931) | 0.80 in (1974) |
| August 9 | 96.1°F (1940) | 39.0°F (1985) | 0.73 in (2016) |
| August 10 | 98.1°F (1984) | 39.9°F (1939) | 0.78 in (1952) |
| August 11 | 98.1°F (2000) | 39.0°F (1987) | 1.12 in (1985) |
| August 12 | 100.0°F (1940) | 37.9°F (1957) | 0.66 in (1947) |
| August 13 | 96.1°F (2015) | 39.9°F (1932) | 1.04 in (1944) |
| August 14 | 97.0°F (2015) | 36.0°F (1928) | 1.02 in (1954) |
| August 15 | 98.1°F (1969) | 37.0°F (1935) | 1.42 in (1927) |
| August 16 | 93.0°F (1970) | 37.9°F (2002) | 1.31 in (1985) |
| August 17 | 95.0°F (2023) | 37.9°F (1969) | 1.21 in (1990) |
| August 18 | 93.9°F (1964) | 39.9°F (1978) | 0.90 in (2021) |
| August 19 | 95.0°F (1942) | 36.0°F (1956) | 0.62 in (1990) |
| August 20 | 96.1°F (1931) | 39.9°F (1935) | 1.44 in (1975) |
| August 21 | 93.9°F (1969) | 30.9°F (1992) | 2.55 in (1933) |
| August 22 | 95.0°F (1969) | 30.9°F (1992) | 1.29 in (2019) |
| August 23 | 93.9°F (1969) | 30.9°F (1992) | 1.61 in (2014) |
| August 24 | 102.9°F (1969) | 33.1°F (1992) | 0.80 in (1989) |
| August 25 | 100.0°F (1969) | 37.9°F (1992) | 1.88 in (1989) |
| August 26 | 93.9°F (1971) | 39.0°F (1928) | 0.57 in (2002) |
| August 27 | 95.0°F (1971) | 37.0°F (1957) | 0.28 in (1928) |
| August 28 | 93.9°F (1972) | 35.1°F (1992) | 0.93 in (1993) |
| August 29 | 93.0°F (2005) | 35.1°F (1980) | 0.59 in (1951) |
| August 30 | 95.0°F (1929) | 35.1°F (1992) | 0.83 in (1971) |
| August 31 | 96.1°F (1991) | 32.0°F (1930) | 0.76 in (1986) |