January weather in Darby, MT
The average temperature in Darby in January is 26.5°F (19.2°F–33.9°F). Average precipitation: 1.08 inches.
January is a winter month in Darby, and is cooler than the annual average of 44.6°F. Daily temperatures swing about 14.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 50m. For travel, January is cold.
Avg High
33.9°F
Avg Low
19.2°F
Precipitation
1.08 in
Daylight
8h 50m
January records in Darby
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 55.9°F (1939) | -27.9°F (1979) | 0.33 in (1930) |
| January 2 | 54.0°F (1939) | -20.0°F (1978) | 0.74 in (1969) |
| January 3 | 51.1°F (1963) | -13.0°F (1950) | 0.50 in (1996) |
| January 4 | 57.9°F (1928) | -18.9°F (1942) | 0.40 in (1969) |
| January 5 | 55.0°F (1928) | -23.1°F (2004) | 0.50 in (1969) |
| January 6 | 55.0°F (1984) | -27.9°F (1979) | 0.40 in (1983) |
| January 7 | 55.9°F (1966) | -36.0°F (1937) | 0.68 in (1948) |
| January 8 | 52.0°F (1963) | -31.0°F (1937) | 0.88 in (1990) |
| January 9 | 60.1°F (1928) | -16.1°F (1973) | 0.72 in (1971) |
| January 10 | 55.0°F (1928) | -18.9°F (1993) | 0.73 in (1989) |
| January 11 | 55.9°F (1953) | -36.0°F (1963) | 0.55 in (1936) |
| January 12 | 60.1°F (1983) | -34.1°F (1963) | 0.50 in (1980) |
| January 13 | 55.0°F (1928) | -18.9°F (1963) | 1.55 in (2006) |
| January 14 | 59.0°F (1973) | -11.9°F (1960) | 0.40 in (1995) |
| January 15 | 57.9°F (1973) | -11.9°F (1930) | 0.68 in (1974) |
| January 16 | 55.9°F (1974) | -17.0°F (1957) | 0.54 in (1971) |
| January 17 | 55.9°F (1974) | -26.0°F (1930) | 0.98 in (1953) |
| January 18 | 55.0°F (1986) | -23.1°F (1930) | 1.12 in (2011) |
| January 19 | 55.9°F (1944) | -23.1°F (1963) | 0.50 in (2018) |
| January 20 | 57.9°F (1968) | -34.1°F (1937) | 0.56 in (1985) |
| January 21 | 57.9°F (1968) | -29.0°F (1937) | 0.71 in (1964) |
| January 22 | 61.0°F (1994) | -16.1°F (1930) | 0.67 in (1950) |
| January 23 | 63.0°F (2005) | -20.0°F (1949) | 0.53 in (1989) |
| January 24 | 66.9°F (2005) | -25.1°F (1949) | 0.56 in (1946) |
| January 25 | 66.9°F (2005) | -27.9°F (1957) | 0.75 in (1975) |
| January 26 | 60.1°F (2015) | -32.1°F (1957) | 0.70 in (1975) |
| January 27 | 69.1°F (2015) | -29.0°F (1957) | 0.50 in (2003) |
| January 28 | 59.0°F (1931) | -20.9°F (1972) | 0.35 in (1954) |
| January 29 | 60.1°F (1931) | -20.9°F (1951) | 0.64 in (1965) |
| January 30 | 57.9°F (1989) | -26.0°F (1937) | 0.20 in (2003) |
| January 31 | 57.0°F (1992) | -29.0°F (1937) | 0.50 in (2003) |