December weather in Coos Bay, OR
The average temperature in Coos Bay in December is 46.7°F (40.4°F–52.9°F). Average precipitation: 10.47 inches. Average snowfall is 0.2 inches.
December is a winter month in Coos Bay, and is cooler than the annual average of 53°F. Daily temperatures swing about 12.5°F between overnight low and afternoon high. Expect about 20 days with precipitation. Daylight averages about 8h 48m. For travel, December is a wet month.
Avg High
52.9°F
Avg Low
40.4°F
Precipitation
10.47 in
Snow
0.2 in
December records in Coos Bay
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (1926) | 28.0°F (1923) | 2.83 in (2014) |
| December 2 | 66.9°F (1907) | 28.0°F (1913) | 3.15 in (1979) |
| December 3 | 66.9°F (1979) | 26.1°F (1919) | 4.77 in (1987) |
| December 4 | 68.0°F (1949) | 25.2°F (2013) | 2.42 in (1902) |
| December 5 | 64.9°F (2000) | 23.0°F (1972) | 5.60 in (1981) |
| December 6 | 69.1°F (1934) | 25.0°F (2009) | 4.04 in (1987) |
| December 7 | 66.0°F (1925) | 19.9°F (1972) | 2.28 in (1993) |
| December 8 | 66.0°F (1912) | 15.1°F (1972) | 3.15 in (1914) |
| December 9 | 64.9°F (1993) | 17.1°F (1932) | 4.28 in (1968) |
| December 10 | 66.0°F (2014) | 17.1°F (1932) | 3.81 in (1993) |
| December 11 | 69.1°F (1937) | 19.0°F (1972) | 2.16 in (1969) |
| December 12 | 66.0°F (1966) | 21.0°F (1919) | 1.76 in (1933) |
| December 13 | 66.9°F (1969) | 19.0°F (1919) | 4.05 in (2003) |
| December 14 | 66.9°F (1962) | 19.0°F (1919) | 3.49 in (2002) |
| December 15 | 70.0°F (1980) | 19.9°F (1921) | 4.74 in (2002) |
| December 16 | 64.9°F (1980) | 24.1°F (1922) | 2.36 in (1972) |
| December 17 | 66.9°F (1979) | 18.0°F (1924) | 3.16 in (2015) |
| December 18 | 66.0°F (2004) | 17.1°F (1924) | 2.40 in (1929) |
| December 19 | 64.0°F (1940) | 0.0°F (1990) | 2.24 in (1941) |
| December 20 | 64.9°F (1994) | 15.1°F (1990) | 3.66 in (1940) |
| December 21 | 68.0°F (1940) | 12.9°F (1990) | 2.25 in (2019) |
| December 22 | 66.9°F (1999) | 17.1°F (1990) | 1.55 in (1964) |
| December 23 | 66.0°F (1919) | 19.9°F (1924) | 4.22 in (1971) |
| December 24 | 64.9°F (1985) | 18.0°F (1924) | 2.46 in (1980) |
| December 25 | 64.9°F (1980) | 17.1°F (1924) | 3.71 in (1955) |
| December 26 | 69.1°F (1980) | 17.1°F (1924) | 3.57 in (1940) |
| December 27 | 69.1°F (1917) | 27.0°F (1930) | 2.86 in (1965) |
| December 28 | 64.9°F (1917) | 27.0°F (1978) | 2.92 in (1965) |
| December 29 | 69.1°F (1917) | 21.9°F (1978) | 3.04 in (1904) |
| December 30 | 66.0°F (1963) | 21.9°F (1978) | 3.11 in (2002) |
| December 31 | 66.0°F (1996) | 21.9°F (1918) | 2.12 in (1913) |