December weather in Sweet Home, OR
The average temperature in Sweet Home in December is 40.4°F (34.3°F–46.5°F). Average precipitation: 8.40 inches.
December is a winter month in Sweet Home, and is cooler than the annual average of 52.4°F. Daily temperatures swing about 12.2°F between overnight low and afternoon high. Expect about 20 days with precipitation. Daylight averages about 8h 40m. For travel, December is a wet month.
Avg High
46.5°F
Avg Low
34.3°F
Precipitation
8.40 in
Daylight
8h 40m
December records in Sweet Home
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 61.0°F (1974) | 19.9°F (2015) | 1.78 in (1975) |
| December 2 | 66.9°F (2021) | 21.0°F (1985) | 1.41 in (2013) |
| December 3 | 61.0°F (1975) | 21.9°F (2009) | 2.18 in (1980) |
| December 4 | 64.0°F (2007) | 21.0°F (1992) | 2.70 in (2023) |
| December 5 | 66.0°F (1989) | 16.0°F (2013) | 1.84 in (1971) |
| December 6 | 69.1°F (1974) | 16.0°F (2013) | 3.12 in (1981) |
| December 7 | 59.0°F (2008) | 16.0°F (1972) | 1.57 in (1973) |
| December 8 | 57.9°F (1976) | 1.0°F (1972) | 1.82 in (1996) |
| December 9 | 66.0°F (2015) | 0.0°F (1972) | 1.43 in (1971) |
| December 10 | 66.9°F (1993) | 0.0°F (1972) | 1.51 in (1990) |
| December 11 | 60.1°F (1973) | 0.0°F (1972) | 1.29 in (2023) |
| December 12 | 61.0°F (2014) | 10.0°F (1972) | 1.51 in (1969) |
| December 13 | 62.1°F (2002) | 19.9°F (1972) | 1.40 in (2003) |
| December 14 | 68.0°F (1969) | 19.0°F (1972) | 2.87 in (2003) |
| December 15 | 66.9°F (2002) | 19.0°F (1972) | 1.68 in (1977) |
| December 16 | 62.1°F (1976) | 12.9°F (2008) | 1.67 in (1982) |
| December 17 | 64.9°F (1979) | 19.9°F (2005) | 1.85 in (2015) |
| December 18 | 61.0°F (1979) | 19.9°F (2006) | 3.40 in (2015) |
| December 19 | 59.0°F (1981) | 16.0°F (1984) | 1.29 in (1981) |
| December 20 | 66.9°F (1994) | 14.0°F (1990) | 2.38 in (2020) |
| December 21 | 63.0°F (1972) | 1.0°F (1990) | 2.12 in (1969) |
| December 22 | 64.0°F (1972) | 1.0°F (1990) | 1.13 in (2014) |
| December 23 | 59.0°F (2010) | 5.0°F (1983) | 0.92 in (2021) |
| December 24 | 61.0°F (1989) | 3.9°F (1983) | 1.90 in (2007) |
| December 25 | 62.1°F (2005) | 12.9°F (1990) | 1.96 in (1980) |
| December 26 | 62.1°F (1980) | 21.9°F (1985) | 2.35 in (1996) |
| December 27 | 60.1°F (2022) | 21.0°F (1985) | 2.30 in (1974) |
| December 28 | 60.1°F (1980) | 21.0°F (1985) | 1.48 in (1998) |
| December 29 | 60.1°F (1996) | 12.0°F (1990) | 2.18 in (2011) |
| December 30 | 61.0°F (2023) | 10.9°F (1990) | 2.21 in (2011) |
| December 31 | 69.1°F (1980) | 10.9°F (1978) | 2.39 in (2005) |