January weather in Troy, MT
The average temperature in Troy in January is 27.8°F (22.9°F–32.7°F). Average precipitation: 2.63 inches.
January is a winter month in Troy, and is cooler than the annual average of 46.8°F. Daily temperatures swing about 9.8°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 8h 31m. For travel, January is cold.
Avg High
32.7°F
Avg Low
22.9°F
Precipitation
2.63 in
Daylight
8h 31m
January records in Troy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 54.0°F (1998) | -23.1°F (1979) | 0.64 in (1997) |
| January 2 | 55.0°F (1998) | -16.1°F (1978) | 0.33 in (1969) |
| January 3 | 45.0°F (1997) | -14.1°F (1979) | 0.65 in (1962) |
| January 4 | 54.0°F (1984) | -22.0°F (2004) | 0.65 in (1966) |
| January 5 | 54.0°F (1984) | -27.9°F (2004) | 0.86 in (1983) |
| January 6 | 48.9°F (2001) | -26.0°F (2004) | 1.53 in (1996) |
| January 7 | 46.0°F (1990) | -17.0°F (1993) | 1.71 in (2022) |
| January 8 | 46.0°F (1983) | -11.9°F (1973) | 1.12 in (2002) |
| January 9 | 45.0°F (2013) | -11.9°F (1973) | 0.70 in (1990) |
| January 10 | 48.9°F (1986) | -9.0°F (1962) | 0.96 in (2006) |
| January 11 | 48.9°F (2014) | -20.9°F (1963) | 0.90 in (2006) |
| January 12 | 52.0°F (2014) | -11.9°F (1963) | 0.75 in (1991) |
| January 13 | 53.1°F (2014) | -15.0°F (1972) | 2.09 in (1969) |
| January 14 | 48.0°F (2014) | -11.9°F (2005) | 1.29 in (1970) |
| January 15 | 48.9°F (1994) | -13.0°F (2005) | 1.50 in (1974) |
| January 16 | 52.0°F (1994) | -4.0°F (1962) | 1.08 in (1974) |
| January 17 | 50.0°F (1994) | -0.9°F (1984) | 0.63 in (1974) |
| January 18 | 50.0°F (1994) | -7.1°F (1962) | 0.75 in (2018) |
| January 19 | 46.0°F (1994) | -23.1°F (1962) | 0.72 in (1967) |
| January 20 | 45.0°F (1975) | -9.9°F (1962) | 0.95 in (1972) |
| January 21 | 45.0°F (1972) | -24.0°F (1962) | 0.85 in (1972) |
| January 22 | 43.0°F (1968) | -20.0°F (1962) | 0.50 in (1990) |
| January 23 | 44.1°F (1981) | -15.0°F (1969) | 0.56 in (1990) |
| January 24 | 54.0°F (2006) | -8.0°F (1969) | 1.07 in (1981) |
| January 25 | 54.0°F (2006) | -11.0°F (2009) | 0.93 in (1964) |
| January 26 | 45.0°F (2006) | -13.0°F (1963) | 0.87 in (2003) |
| January 27 | 54.0°F (1984) | -16.1°F (1980) | 0.87 in (1969) |
| January 28 | 53.1°F (1962) | -17.0°F (1980) | 0.53 in (1992) |
| January 29 | 50.0°F (1971) | -17.0°F (1980) | 0.79 in (2018) |
| January 30 | 50.0°F (1989) | -20.0°F (1996) | 1.05 in (1967) |
| January 31 | 57.0°F (2020) | -20.9°F (1996) | 0.39 in (1974) |