December weather in Weston, ID
The average temperature in Weston in December is 25.0°F (16.5°F–33.5°F). Average precipitation: 1.57 inches. Average snowfall is 14.1 inches.
December is a winter month in Weston, and is cooler than the annual average of 47°F. Daily temperatures swing about 17°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 57m. For travel, December is cold.
Avg High
33.5°F
Avg Low
16.5°F
Precipitation
1.57 in
Snow
14.1 in
December records in Weston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 59.0°F (1998) | -6.0°F (1991) | 0.59 in (1983) |
| December 2 | 64.9°F (1995) | 1.0°F (1991) | 0.41 in (2012) |
| December 3 | 52.0°F (1998) | 3.0°F (1984) | 0.55 in (2023) |
| December 4 | 59.0°F (1998) | -9.0°F (1992) | 0.30 in (1983) |
| December 5 | 51.1°F (1995) | -9.9°F (1992) | 0.51 in (1996) |
| December 6 | 55.0°F (2014) | -4.0°F (1972) | 0.49 in (2001) |
| December 7 | 55.9°F (2014) | -4.0°F (2005) | 0.83 in (1983) |
| December 8 | 53.1°F (1981) | -11.0°F (1971) | 0.80 in (1985) |
| December 9 | 52.0°F (1970) | -11.0°F (1972) | 0.82 in (1997) |
| December 10 | 57.9°F (1981) | -22.0°F (1972) | 0.35 in (1970) |
| December 11 | 55.9°F (2025) | -23.1°F (1972) | 0.30 in (1964) |
| December 12 | 55.9°F (2014) | -20.0°F (1972) | 0.41 in (1996) |
| December 13 | 54.0°F (1995) | -5.1°F (1972) | 0.33 in (1984) |
| December 14 | 48.9°F (1969) | -4.0°F (1972) | 0.75 in (2021) |
| December 15 | 51.1°F (2006) | -9.0°F (1990) | 0.67 in (1983) |
| December 16 | 50.0°F (2025) | -9.9°F (1972) | 1.08 in (2016) |
| December 17 | 48.9°F (2025) | -13.0°F (1964) | 0.46 in (2020) |
| December 18 | 48.0°F (1969) | -11.9°F (1964) | 0.45 in (2010) |
| December 19 | 48.9°F (2025) | -11.9°F (1965) | 0.62 in (2010) |
| December 20 | 50.0°F (1969) | -8.0°F (1998) | 0.69 in (2007) |
| December 21 | 54.0°F (2025) | -14.1°F (1990) | 0.47 in (1981) |
| December 22 | 54.0°F (2025) | -25.1°F (1990) | 0.34 in (2008) |
| December 23 | 54.0°F (1964) | -31.0°F (1990) | 0.71 in (1964) |
| December 24 | 55.0°F (2025) | -27.9°F (1990) | 0.67 in (1964) |
| December 25 | 54.0°F (2025) | -18.9°F (1990) | 1.08 in (2008) |
| December 26 | 48.9°F (1980) | -9.0°F (1987) | 0.33 in (1994) |
| December 27 | 50.0°F (1980) | -9.0°F (1987) | 0.51 in (1996) |
| December 28 | 51.1°F (1980) | -8.0°F (1983) | 0.38 in (2024) |
| December 29 | 52.0°F (2011) | -8.0°F (1983) | 0.82 in (2010) |
| December 30 | 52.0°F (2011) | -25.1°F (1990) | 0.78 in (1965) |
| December 31 | 54.0°F (1996) | -6.0°F (1990) | 0.82 in (2005) |