January weather in Great Falls, MT
The average temperature in Great Falls in January is 27.2°F (17.5°F–36.8°F). Average precipitation: 0.61 inches.
January is a winter month in Great Falls, and is cooler than the annual average of 47°F. Daily temperatures swing about 19.3°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 8h 39m. For travel, January is cold.
Avg High
36.8°F
Avg Low
17.5°F
Precipitation
0.61 in
Daylight
8h 39m
January records in Great Falls
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 55.9°F (1918) | -31.0°F (1924) | 0.40 in (2017) |
| January 2 | 64.9°F (1918) | -27.0°F (1928) | 0.28 in (1955) |
| January 3 | 57.0°F (1918) | -27.9°F (1924) | 0.28 in (2015) |
| January 4 | 60.1°F (2012) | -24.0°F (1899) | 0.50 in (1907) |
| January 5 | 61.0°F (1914) | -24.0°F (1916) | 0.45 in (2015) |
| January 6 | 64.0°F (1914) | -26.0°F (1909) | 0.18 in (1909) |
| January 7 | 60.1°F (1902) | -29.9°F (1909) | 0.45 in (1907) |
| January 8 | 54.0°F (1896) | -29.9°F (1909) | 0.28 in (2015) |
| January 9 | 63.0°F (1933) | -27.0°F (1909) | 0.24 in (1918) |
| January 10 | 55.0°F (1902) | -44.0°F (1909) | 0.46 in (2013) |
| January 11 | 64.9°F (1932) | -40.0°F (1909) | 0.31 in (1893) |
| January 12 | 60.1°F (1895) | -35.0°F (1916) | 0.27 in (2018) |
| January 13 | 59.0°F (2026) | -29.9°F (1911) | 0.24 in (1892) |
| January 14 | 62.1°F (2026) | -32.1°F (1909) | 0.51 in (1928) |
| January 15 | 64.9°F (2026) | -24.0°F (1907) | 0.47 in (2006) |
| January 16 | 55.9°F (2009) | -27.0°F (1930) | 0.24 in (1899) |
| January 17 | 61.0°F (1914) | -29.0°F (1930) | 0.32 in (1954) |
| January 18 | 60.1°F (1900) | -27.9°F (1935) | 0.27 in (2008) |
| January 19 | 60.1°F (1919) | -27.9°F (1935) | 0.17 in (1906) |
| January 20 | 57.0°F (2009) | -36.9°F (1954) | 0.27 in (2008) |
| January 21 | 59.0°F (2009) | -27.9°F (1954) | 0.36 in (2019) |
| January 22 | 59.0°F (1919) | -18.9°F (1894) | 0.26 in (2014) |
| January 23 | 59.0°F (1919) | -29.0°F (1929) | 0.23 in (2010) |
| January 24 | 63.0°F (1953) | -25.1°F (1916) | 0.56 in (1916) |
| January 25 | 86.0°F (1892) | -27.0°F (1954) | 0.56 in (1916) |
| January 26 | 68.0°F (2015) | -36.9°F (1916) | 0.39 in (1893) |
| January 27 | 66.0°F (2015) | -40.0°F (1916) | 0.40 in (1893) |
| January 28 | 61.0°F (1931) | -42.0°F (1916) | 0.34 in (1907) |
| January 29 | 61.0°F (1931) | -41.1°F (1916) | 0.26 in (1908) |
| January 30 | 59.0°F (1892) | -41.1°F (1916) | 0.45 in (2014) |
| January 31 | 64.0°F (1898) | -38.0°F (1893) | 0.21 in (1911) |