December weather in Joliet, MT
The average temperature in Joliet in December is 23.4°F (11.1°F–35.8°F). Average precipitation: 0.58 inches. Average snowfall is 9.1 inches.
December is a winter month in Joliet, and is cooler than the annual average of 43.7°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 8h 32m. For travel, December is cold.
Avg High
35.8°F
Avg Low
11.1°F
Precipitation
0.58 in
Snow
9.1 in
December records in Joliet
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 60.1°F (1973) | -20.0°F (1985) | 0.54 in (1982) |
| December 2 | 62.1°F (1998) | -20.0°F (1985) | 0.23 in (1991) |
| December 3 | 61.0°F (2012) | -6.0°F (2009) | 0.42 in (1972) |
| December 4 | 66.0°F (1965) | -13.0°F (1972) | 0.70 in (2013) |
| December 5 | 60.1°F (1987) | -27.0°F (1972) | 0.26 in (1978) |
| December 6 | 64.0°F (2012) | -27.9°F (2013) | 0.39 in (1971) |
| December 7 | 55.0°F (1965) | -27.0°F (2013) | 0.20 in (1974) |
| December 8 | 62.1°F (1984) | -32.1°F (1972) | 0.19 in (1961) |
| December 9 | 68.0°F (1957) | -26.0°F (1977) | 0.25 in (1997) |
| December 10 | 61.0°F (1990) | -26.0°F (1961) | 0.24 in (1989) |
| December 11 | 61.0°F (1990) | -25.1°F (1961) | 0.31 in (1975) |
| December 12 | 66.9°F (2004) | -17.0°F (1961) | 0.27 in (1958) |
| December 13 | 57.0°F (1969) | -9.0°F (2000) | 0.13 in (1951) |
| December 14 | 57.0°F (1962) | -17.0°F (2008) | 0.16 in (2008) |
| December 15 | 69.1°F (1980) | -24.0°F (2008) | 0.56 in (2015) |
| December 16 | 62.1°F (1980) | -25.1°F (1964) | 0.22 in (1955) |
| December 17 | 62.1°F (1998) | -29.0°F (1964) | 0.31 in (1955) |
| December 18 | 63.0°F (1966) | -27.0°F (2016) | 0.62 in (1973) |
| December 19 | 55.9°F (1979) | -17.0°F (1990) | 0.19 in (1997) |
| December 20 | 55.0°F (1957) | -20.9°F (1990) | 0.30 in (2010) |
| December 21 | 57.0°F (1974) | -33.0°F (1990) | 0.39 in (1966) |
| December 22 | 55.0°F (1994) | -31.0°F (1983) | 0.25 in (2013) |
| December 23 | 57.9°F (2005) | -25.1°F (1983) | 0.31 in (2017) |
| December 24 | 57.9°F (2005) | -38.9°F (1983) | 0.35 in (1955) |
| December 25 | 55.0°F (1963) | -20.0°F (1983) | 0.55 in (1996) |
| December 26 | 64.0°F (1980) | -25.1°F (1996) | 0.58 in (1967) |
| December 27 | 64.9°F (1980) | -11.0°F (1971) | 0.36 in (2003) |
| December 28 | 60.1°F (1956) | -23.1°F (1983) | 0.27 in (1973) |
| December 29 | 61.0°F (1999) | -25.1°F (1990) | 0.28 in (2014) |
| December 30 | 61.0°F (1980) | -25.1°F (1978) | 0.38 in (2010) |
| December 31 | 55.9°F (1963) | -26.0°F (1978) | 0.40 in (2016) |