January weather in Forsyth, MT
The average temperature in Forsyth in January is 21.9°F (10.2°F–33.7°F). Average precipitation: 0.61 inches. Average snowfall is 7.7 inches.
January is a winter month in Forsyth, and is cooler than the annual average of 46.7°F. Daily temperatures swing about 23.5°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 8h 48m. For travel, January is cold.
Avg High
33.7°F
Avg Low
10.2°F
Precipitation
0.61 in
Snow
7.7 in
January records in Forsyth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 54.0°F (1998) | -29.9°F (2022) | 0.28 in (1991) |
| January 2 | 57.0°F (1992) | -25.1°F (2018) | 0.15 in (2017) |
| January 3 | 60.1°F (2003) | -20.9°F (1977) | 0.32 in (1996) |
| January 4 | 62.1°F (2012) | -20.9°F (2009) | 0.30 in (1977) |
| January 5 | 66.0°F (2012) | -36.0°F (1979) | 0.35 in (2015) |
| January 6 | 57.9°F (2006) | -26.0°F (2022) | 0.24 in (2010) |
| January 7 | 64.9°F (2003) | -20.9°F (2010) | 0.30 in (2020) |
| January 8 | 62.1°F (2002) | -27.0°F (1977) | 0.21 in (2011) |
| January 9 | 57.0°F (2012) | -33.0°F (1977) | 0.20 in (1993) |
| January 10 | 57.9°F (1992) | -22.0°F (1982) | 0.51 in (2018) |
| January 11 | 55.9°F (1987) | -27.0°F (1997) | 0.26 in (2013) |
| January 12 | 61.0°F (2026) | -33.0°F (1998) | 0.30 in (1993) |
| January 13 | 62.1°F (1996) | -35.0°F (2024) | 0.14 in (2005) |
| January 14 | 61.0°F (2026) | -36.0°F (2024) | 0.22 in (1994) |
| January 15 | 54.0°F (2014) | -34.1°F (2005) | 0.34 in (2003) |
| January 16 | 52.0°F (1986) | -32.1°F (1982) | 0.22 in (1984) |
| January 17 | 55.0°F (1980) | -20.0°F (2024) | 0.41 in (2024) |
| January 18 | 55.9°F (1991) | -25.1°F (1996) | 0.20 in (2012) |
| January 19 | 60.1°F (2005) | -24.0°F (2024) | 0.32 in (2012) |
| January 20 | 57.9°F (1992) | -27.9°F (1985) | 0.56 in (2012) |
| January 21 | 60.1°F (1981) | -27.9°F (1982) | 0.25 in (2019) |
| January 22 | 64.0°F (1981) | -22.0°F (1982) | 0.17 in (1989) |
| January 23 | 66.0°F (2005) | -33.0°F (1982) | 0.33 in (1982) |
| January 24 | 64.9°F (2005) | -14.1°F (1979) | 0.14 in (1996) |
| January 25 | 61.0°F (2007) | -14.1°F (1989) | 0.19 in (2004) |
| January 26 | 61.0°F (2015) | -14.1°F (1997) | 0.16 in (2003) |
| January 27 | 66.9°F (2015) | -29.0°F (1997) | 0.14 in (2023) |
| January 28 | 57.9°F (1984) | -18.0°F (2004) | 0.20 in (2004) |
| January 29 | 57.9°F (1992) | -24.0°F (1979) | 0.40 in (2014) |
| January 30 | 63.0°F (2024) | -38.0°F (1996) | 0.16 in (2011) |
| January 31 | 70.0°F (1992) | -25.1°F (1985) | 0.10 in (2013) |