December weather in Coupeville, WA
The average temperature in Coupeville in December is 39.9°F (36.2°F–43.6°F). Average precipitation: 2.56 inches. Average snowfall is 1.6 inches.
December is a winter month in Coupeville, and is cooler than the annual average of 50.2°F. Daily temperatures swing about 7.4°F between overnight low and afternoon high. Expect about 16 days with precipitation. Daylight averages about 8h 9m. For travel, December is cold.
Avg High
43.6°F
Avg Low
36.2°F
Precipitation
2.56 in
Snow
1.6 in
December records in Coupeville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 60.1°F (1988) | 6.1°F (1985) | 0.78 in (1925) |
| December 2 | 64.0°F (1907) | 15.1°F (2014) | 0.92 in (1918) |
| December 3 | 60.1°F (1907) | 23.0°F (1994) | 0.77 in (1941) |
| December 4 | 61.0°F (1939) | 18.0°F (1972) | 0.60 in (1922) |
| December 5 | 60.1°F (1939) | 19.9°F (1928) | 0.60 in (1924) |
| December 6 | 55.9°F (1965) | 12.0°F (1956) | 0.68 in (1951) |
| December 7 | 54.0°F (1938) | 14.0°F (1972) | 0.64 in (2019) |
| December 8 | 57.0°F (1939) | 7.0°F (1972) | 1.44 in (1971) |
| December 9 | 57.9°F (2014) | 10.9°F (1932) | 0.81 in (2015) |
| December 10 | 57.9°F (2014) | 12.9°F (1972) | 0.94 in (1971) |
| December 11 | 61.0°F (1895) | 16.0°F (1932) | 1.53 in (1921) |
| December 12 | 57.9°F (1960) | 21.0°F (1932) | 1.45 in (1916) |
| December 13 | 63.0°F (1903) | 1.9°F (1999) | 1.25 in (1907) |
| December 14 | 70.0°F (1921) | 15.1°F (1926) | 0.97 in (1979) |
| December 15 | 59.0°F (1980) | 19.9°F (1932) | 0.87 in (1959) |
| December 16 | 57.9°F (1895) | 3.0°F (1964) | 0.75 in (1900) |
| December 17 | 55.0°F (1958) | 8.1°F (1964) | 0.68 in (1961) |
| December 18 | 57.0°F (1936) | 17.1°F (1964) | 0.88 in (1917) |
| December 19 | 55.9°F (1939) | 17.1°F (1990) | 0.92 in (2017) |
| December 20 | 57.9°F (2005) | 12.9°F (1990) | 0.67 in (1956) |
| December 21 | 55.9°F (1940) | 10.0°F (1990) | 0.81 in (1916) |
| December 22 | 55.9°F (1899) | 10.9°F (1983) | 0.86 in (1899) |
| December 23 | 63.0°F (1899) | 7.0°F (1983) | 0.80 in (2016) |
| December 24 | 59.0°F (2005) | 8.1°F (1983) | 1.17 in (1967) |
| December 25 | 59.0°F (1980) | 18.0°F (1962) | 1.37 in (1967) |
| December 26 | 61.0°F (1980) | 19.9°F (1948) | 0.63 in (1972) |
| December 27 | 60.1°F (1980) | 14.0°F (1971) | 0.89 in (1949) |
| December 28 | 57.0°F (1961) | 9.0°F (1968) | 0.75 in (1998) |
| December 29 | 54.0°F (1961) | 5.0°F (1968) | 1.96 in (1996) |
| December 30 | 57.0°F (1926) | 3.0°F (1968) | 0.56 in (1980) |
| December 31 | 55.9°F (1926) | 9.0°F (1978) | 0.47 in (1999) |