December weather in Big Timber, MT
The average temperature in Big Timber in December is 28.4°F (19.5°F–37.2°F). Average precipitation: 0.73 inches. Average snowfall is 10.2 inches.
December is a winter month in Big Timber, and is cooler than the annual average of 47°F. Daily temperatures swing about 17.7°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 8h 29m. For travel, December is cold.
Avg High
37.2°F
Avg Low
19.5°F
Precipitation
0.73 in
Snow
10.2 in
December records in Big Timber
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (2021) | -16.1°F (2014) | 0.40 in (1997) |
| December 2 | 66.9°F (2021) | -24.0°F (1919) | 0.70 in (1982) |
| December 3 | 61.0°F (1939) | -14.1°F (1909) | 0.40 in (2013) |
| December 4 | 64.0°F (1939) | -17.0°F (1972) | 1.02 in (1998) |
| December 5 | 70.0°F (1939) | -29.9°F (1909) | 0.45 in (1943) |
| December 6 | 64.9°F (1939) | -24.0°F (1972) | 0.48 in (1927) |
| December 7 | 63.0°F (1939) | -27.9°F (1909) | 0.66 in (1929) |
| December 8 | 64.9°F (1939) | -27.9°F (1972) | 0.45 in (1922) |
| December 9 | 64.9°F (1957) | -29.9°F (1932) | 0.50 in (1917) |
| December 10 | 66.9°F (1939) | -15.0°F (1919) | 0.30 in (1933) |
| December 11 | 62.1°F (1934) | -25.1°F (1932) | 0.35 in (1919) |
| December 12 | 64.0°F (1895) | -23.1°F (1922) | 0.51 in (1946) |
| December 13 | 62.1°F (1896) | -17.0°F (1922) | 0.30 in (1937) |
| December 14 | 66.9°F (1924) | -20.0°F (2008) | 0.47 in (2015) |
| December 15 | 64.0°F (1980) | -22.0°F (1897) | 0.76 in (2016) |
| December 16 | 63.0°F (1962) | -23.1°F (1964) | 0.59 in (2017) |
| December 17 | 63.0°F (1980) | -29.0°F (2016) | 0.49 in (1963) |
| December 18 | 62.1°F (1931) | -31.0°F (1924) | 0.28 in (1973) |
| December 19 | 57.9°F (1941) | -20.0°F (1990) | 0.60 in (1925) |
| December 20 | 61.0°F (2024) | -22.0°F (1990) | 0.46 in (1989) |
| December 21 | 60.1°F (1896) | -33.0°F (1983) | 0.43 in (1989) |
| December 22 | 64.0°F (1896) | -32.1°F (1990) | 0.60 in (1944) |
| December 23 | 57.9°F (1933) | -27.0°F (2022) | 0.55 in (1955) |
| December 24 | 57.0°F (1950) | -38.0°F (1983) | 0.60 in (1967) |
| December 25 | 59.0°F (2005) | -25.1°F (1983) | 0.25 in (1941) |
| December 26 | 60.1°F (1980) | -29.0°F (1996) | 0.88 in (2003) |
| December 27 | 63.0°F (1980) | -17.0°F (1965) | 0.26 in (1973) |
| December 28 | 64.9°F (1921) | -16.1°F (1990) | 1.30 in (1928) |
| December 29 | 59.0°F (1956) | -22.0°F (1968) | 0.72 in (1923) |
| December 30 | 80.1°F (1897) | -27.9°F (1968) | 0.32 in (2017) |
| December 31 | 59.0°F (1917) | -38.0°F (1923) | 1.81 in (1996) |