December weather in Saco, MT
The average temperature in Saco in December is 17.4°F (5.9°F–29.0°F). Average precipitation: 0.43 inches.
December is a winter month in Saco, and is cooler than the annual average of 42°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 8h 7m. For travel, December is cold.
Avg High
29.0°F
Avg Low
5.9°F
Precipitation
0.43 in
Daylight
8h 7m
December records in Saco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 61.0°F (2021) | -27.9°F (1985) | 0.46 in (1972) |
| December 2 | 66.9°F (2021) | -36.0°F (1985) | 0.32 in (1982) |
| December 3 | 55.0°F (1989) | -35.0°F (1972) | 0.21 in (2013) |
| December 4 | 60.1°F (1989) | -44.0°F (1972) | 0.19 in (1977) |
| December 5 | 57.9°F (1982) | -42.0°F (1972) | 0.15 in (1966) |
| December 6 | 57.0°F (1987) | -43.1°F (1972) | 0.42 in (2008) |
| December 7 | 57.0°F (2023) | -36.9°F (1972) | 0.21 in (1977) |
| December 8 | 60.1°F (1987) | -47.9°F (1972) | 0.14 in (2019) |
| December 9 | 59.0°F (1987) | -47.0°F (1972) | 0.28 in (2000) |
| December 10 | 57.9°F (2017) | -36.0°F (1977) | 0.55 in (2010) |
| December 11 | 52.0°F (2017) | -26.0°F (2000) | 0.52 in (2025) |
| December 12 | 54.0°F (1969) | -26.0°F (2000) | 0.40 in (2012) |
| December 13 | 57.0°F (2017) | -33.0°F (1985) | 0.21 in (2008) |
| December 14 | 55.0°F (2017) | -33.0°F (1985) | 0.06 in (1981) |
| December 15 | 60.1°F (1980) | -33.0°F (2009) | 0.12 in (2000) |
| December 16 | 62.1°F (1980) | -29.9°F (2008) | 0.08 in (2016) |
| December 17 | 54.0°F (2001) | -33.0°F (2016) | 0.34 in (1985) |
| December 18 | 57.0°F (1979) | -38.9°F (1983) | 0.25 in (1990) |
| December 19 | 50.0°F (1979) | -32.1°F (1983) | 0.17 in (1988) |
| December 20 | 54.0°F (1979) | -29.0°F (2022) | 0.42 in (2010) |
| December 21 | 54.0°F (1994) | -44.0°F (1989) | 0.20 in (2022) |
| December 22 | 52.0°F (2023) | -45.0°F (1990) | 0.30 in (2013) |
| December 23 | 51.1°F (2023) | -42.0°F (1990) | 0.25 in (1973) |
| December 24 | 52.0°F (1999) | -44.0°F (1980) | 0.15 in (1968) |
| December 25 | 50.0°F (1994) | -40.0°F (1983) | 0.10 in (1981) |
| December 26 | 48.0°F (1976) | -36.9°F (1996) | 0.75 in (2003) |
| December 27 | 57.9°F (1980) | -35.0°F (1996) | 0.16 in (1996) |
| December 28 | 60.1°F (1980) | -29.9°F (2017) | 0.24 in (1989) |
| December 29 | 53.1°F (1999) | -36.9°F (1968) | 0.54 in (2008) |
| December 30 | 50.0°F (1980) | -35.0°F (1990) | 0.26 in (2010) |
| December 31 | 41.0°F (1980) | -42.0°F (2017) | 0.18 in (1993) |