December weather in Adams, OR
The average temperature in Adams in December is 34.0°F (26.2°F–41.8°F). Average precipitation: 2.14 inches. Average snowfall is 4.8 inches.
December is a winter month in Adams, and is cooler than the annual average of 50.6°F. Daily temperatures swing about 15.6°F between overnight low and afternoon high. Expect about 16 days with precipitation. Daylight averages about 8h 30m. For travel, December is cold.
Avg High
41.8°F
Avg Low
26.2°F
Precipitation
2.14 in
Snow
4.8 in
December records in Adams
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (1994) | -11.0°F (1985) | 0.74 in (1993) |
| December 2 | 68.0°F (2021) | -9.9°F (1985) | 0.81 in (1999) |
| December 3 | 64.0°F (1958) | 3.9°F (1992) | 0.51 in (1972) |
| December 4 | 66.0°F (1939) | 1.0°F (1972) | 0.31 in (1980) |
| December 5 | 72.0°F (1939) | -9.0°F (1972) | 0.99 in (1978) |
| December 6 | 66.0°F (2023) | 1.9°F (1978) | 1.33 in (1971) |
| December 7 | 64.9°F (1987) | -2.0°F (1978) | 0.76 in (2007) |
| December 8 | 62.1°F (1939) | -24.0°F (1972) | 0.48 in (1942) |
| December 9 | 66.0°F (2015) | -25.1°F (1972) | 0.57 in (1971) |
| December 10 | 64.0°F (1987) | -22.0°F (1972) | 0.56 in (1984) |
| December 11 | 66.0°F (2014) | -20.0°F (1972) | 1.14 in (1958) |
| December 12 | 64.0°F (1993) | -11.9°F (1972) | 0.66 in (1998) |
| December 13 | 64.0°F (1995) | -17.0°F (1972) | 0.86 in (1966) |
| December 14 | 63.0°F (1977) | -11.0°F (1972) | 0.60 in (2003) |
| December 15 | 66.9°F (1959) | -11.0°F (1972) | 0.45 in (2006) |
| December 16 | 64.9°F (1942) | -17.0°F (2008) | 0.75 in (1941) |
| December 17 | 61.0°F (1974) | -15.0°F (1964) | 0.33 in (1962) |
| December 18 | 64.0°F (1976) | -13.0°F (1964) | 0.55 in (2024) |
| December 19 | 60.1°F (1966) | -9.0°F (1984) | 0.70 in (2008) |
| December 20 | 59.0°F (1933) | -9.9°F (1990) | 0.68 in (1969) |
| December 21 | 66.9°F (1933) | -25.1°F (1990) | 0.62 in (2014) |
| December 22 | 66.0°F (1933) | -24.0°F (1990) | 0.56 in (2008) |
| December 23 | 62.1°F (1964) | -26.0°F (1983) | 0.51 in (1964) |
| December 24 | 57.0°F (1963) | -25.1°F (1983) | 0.67 in (2018) |
| December 25 | 63.0°F (2005) | -9.0°F (1983) | 1.00 in (1933) |
| December 26 | 64.0°F (1980) | 8.1°F (1983) | 0.55 in (1996) |
| December 27 | 66.9°F (1980) | 6.1°F (1983) | 0.70 in (1958) |
| December 28 | 61.0°F (2002) | -0.9°F (1983) | 0.43 in (1998) |
| December 29 | 61.0°F (1965) | -26.0°F (1990) | 1.02 in (2010) |
| December 30 | 64.0°F (1975) | -23.1°F (1968) | 0.59 in (1942) |
| December 31 | 57.9°F (1938) | -20.0°F (1968) | 0.55 in (2005) |