December weather in Wilsonville, OR
The average temperature in Wilsonville in December is 41.3°F (35.5°F–47.0°F). Average precipitation: 6.60 inches.
December is a winter month in Wilsonville, and is cooler than the annual average of 53.9°F. Daily temperatures swing about 11.5°F between overnight low and afternoon high. Expect about 18 days with precipitation. Daylight averages about 8h 33m. For travel, December is a wet month.
Avg High
47.0°F
Avg Low
35.5°F
Precipitation
6.60 in
Daylight
8h 33m
December records in Wilsonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.0°F (1966) | 21.9°F (1969) | 1.59 in (1994) |
| December 2 | 57.9°F (1993) | 19.9°F (1969) | 1.15 in (1992) |
| December 3 | 57.9°F (1975) | 19.9°F (1969) | 2.09 in (1987) |
| December 4 | 61.0°F (1989) | 21.0°F (1998) | 1.82 in (1968) |
| December 5 | 62.1°F (1989) | 12.9°F (1998) | 1.90 in (1989) |
| December 6 | 57.9°F (1970) | 10.0°F (1998) | 1.76 in (1981) |
| December 7 | 60.1°F (1965) | 15.1°F (1972) | 1.00 in (1975) |
| December 8 | 55.9°F (1987) | 6.1°F (1972) | 1.94 in (1996) |
| December 9 | 57.9°F (1975) | -0.9°F (1998) | 1.05 in (1993) |
| December 10 | 66.9°F (1993) | 3.9°F (1998) | 1.72 in (1968) |
| December 11 | 57.9°F (1977) | 3.9°F (1998) | 1.40 in (1993) |
| December 12 | 57.9°F (2002) | 14.0°F (1972) | 1.52 in (1969) |
| December 13 | 64.9°F (1995) | 15.1°F (1998) | 1.84 in (1977) |
| December 14 | 61.0°F (2002) | 16.0°F (1998) | 1.69 in (2006) |
| December 15 | 57.9°F (1977) | 12.0°F (1998) | 1.55 in (1981) |
| December 16 | 59.0°F (1976) | 10.9°F (1998) | 1.50 in (1982) |
| December 17 | 59.0°F (1974) | 8.1°F (1964) | 1.06 in (1997) |
| December 18 | 55.9°F (1994) | 1.9°F (1998) | 1.20 in (1979) |
| December 19 | 57.0°F (1972) | -9.0°F (1998) | 0.84 in (2005) |
| December 20 | 62.1°F (1994) | -11.9°F (1998) | 1.02 in (1974) |
| December 21 | 61.0°F (1972) | -13.0°F (1998) | 1.95 in (1972) |
| December 22 | 60.1°F (1980) | -15.0°F (1998) | 2.30 in (1964) |
| December 23 | 60.1°F (1964) | -16.1°F (1998) | 1.60 in (1964) |
| December 24 | 62.1°F (2005) | -2.9°F (1998) | 1.17 in (1971) |
| December 25 | 62.1°F (2005) | 8.1°F (1990) | 2.00 in (1980) |
| December 26 | 63.0°F (1980) | 19.0°F (1985) | 1.96 in (1980) |
| December 27 | 57.9°F (1975) | 18.0°F (1985) | 1.45 in (1974) |
| December 28 | 60.1°F (1980) | 18.0°F (1985) | 1.69 in (1965) |
| December 29 | 57.9°F (1967) | 12.9°F (1990) | 1.46 in (1996) |
| December 30 | 55.9°F (1975) | 10.9°F (1990) | 2.07 in (2005) |
| December 31 | 64.9°F (1980) | 12.9°F (1978) | 2.06 in (1968) |