January weather in Fairfield, MT
The average temperature in Fairfield in January is 26.1°F (16.5°F–35.7°F). Average precipitation: 0.34 inches.
January is a winter month in Fairfield, and is cooler than the annual average of 44.4°F. Daily temperatures swing about 19.2°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 8h 38m. For travel, January is cold.
Avg High
35.7°F
Avg Low
16.5°F
Precipitation
0.34 in
Daylight
8h 38m
January records in Fairfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 64.9°F (1964) | -29.0°F (1928) | 0.46 in (1959) |
| January 2 | 57.9°F (1964) | -24.0°F (1950) | 0.79 in (1955) |
| January 3 | 53.1°F (1963) | -35.0°F (1950) | 0.25 in (1966) |
| January 4 | 62.1°F (1984) | -20.0°F (1966) | 0.18 in (1977) |
| January 5 | 61.0°F (2012) | -23.1°F (1982) | 0.36 in (1927) |
| January 6 | 55.9°F (2006) | -24.0°F (1937) | 0.51 in (1989) |
| January 7 | 61.0°F (2002) | -20.9°F (1937) | 0.45 in (1962) |
| January 8 | 55.0°F (2003) | -23.1°F (1965) | 0.15 in (1962) |
| January 9 | 59.0°F (1941) | -23.1°F (1993) | 0.17 in (1953) |
| January 10 | 57.0°F (1941) | -25.1°F (1963) | 0.10 in (1971) |
| January 11 | 59.0°F (1953) | -27.9°F (1963) | 0.40 in (2013) |
| January 12 | 62.1°F (1983) | -34.1°F (2024) | 0.13 in (2005) |
| January 13 | 57.9°F (1983) | -33.0°F (1971) | 0.26 in (1958) |
| January 14 | 66.0°F (2026) | -33.0°F (1971) | 0.38 in (1928) |
| January 15 | 60.1°F (1973) | -29.0°F (1950) | 0.18 in (1957) |
| January 16 | 55.0°F (1976) | -29.0°F (1930) | 0.34 in (1984) |
| January 17 | 59.0°F (2022) | -33.0°F (1950) | 0.12 in (1963) |
| January 18 | 57.9°F (1986) | -29.9°F (1935) | 0.21 in (1975) |
| January 19 | 62.1°F (2005) | -29.0°F (1935) | 0.30 in (2012) |
| January 20 | 60.1°F (2005) | -33.0°F (1954) | 0.32 in (1957) |
| January 21 | 54.0°F (1944) | -32.1°F (1943) | 0.48 in (1964) |
| January 22 | 60.1°F (1994) | -33.0°F (1943) | 0.42 in (2024) |
| January 23 | 64.0°F (2005) | -32.1°F (1969) | 0.28 in (1943) |
| January 24 | 64.0°F (1968) | -34.1°F (1943) | 0.30 in (2010) |
| January 25 | 63.0°F (2015) | -34.1°F (1950) | 0.20 in (1981) |
| January 26 | 63.0°F (2015) | -23.1°F (1972) | 0.30 in (1975) |
| January 27 | 62.1°F (2015) | -34.1°F (1972) | 0.32 in (1949) |
| January 28 | 57.9°F (2016) | -38.0°F (1929) | 0.28 in (1957) |
| January 29 | 62.1°F (2024) | -33.0°F (1929) | 0.26 in (2014) |
| January 30 | 61.0°F (1989) | -31.0°F (1929) | 0.35 in (1974) |
| January 31 | 64.9°F (1992) | -29.9°F (1929) | 0.27 in (1957) |