December weather in Covington, WA
The average temperature in Covington in December is 38.4°F (32.3°F–44.5°F). Average precipitation: 7.46 inches.
December is a winter month in Covington, and is cooler than the annual average of 50.5°F. Daily temperatures swing about 12.2°F between overnight low and afternoon high. Expect about 21 days with precipitation. Daylight averages about 8h 16m. For travel, December is a wet month.
Avg High
44.5°F
Avg Low
32.3°F
Precipitation
7.46 in
Daylight
8h 16m
December records in Covington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.9°F (1958) | 14.0°F (1985) | 1.42 in (1987) |
| December 2 | 59.0°F (1926) | 19.0°F (1985) | 2.81 in (1980) |
| December 3 | 63.0°F (1946) | 19.0°F (1928) | 2.48 in (2007) |
| December 4 | 66.0°F (1940) | 3.0°F (1999) | 2.00 in (1989) |
| December 5 | 61.0°F (1940) | 16.0°F (1956) | 2.42 in (2023) |
| December 6 | 60.1°F (1921) | 12.0°F (1956) | 2.60 in (1933) |
| December 7 | 57.0°F (1921) | 3.9°F (1972) | 1.44 in (2015) |
| December 8 | 57.9°F (1938) | 5.0°F (1972) | 2.62 in (2015) |
| December 9 | 55.0°F (1928) | 8.1°F (1932) | 5.50 in (2016) |
| December 10 | 64.9°F (1957) | 8.1°F (1972) | 2.10 in (1933) |
| December 11 | 64.0°F (1921) | 8.1°F (1919) | 2.90 in (1921) |
| December 12 | 64.9°F (1921) | 3.0°F (1919) | 2.37 in (1921) |
| December 13 | 57.9°F (1924) | 7.0°F (1919) | 1.83 in (2001) |
| December 14 | 57.0°F (1924) | 14.0°F (1919) | 2.00 in (1979) |
| December 15 | 57.0°F (1939) | 16.0°F (2008) | 2.13 in (1924) |
| December 16 | 57.9°F (1953) | 6.1°F (1964) | 1.91 in (1997) |
| December 17 | 54.0°F (1923) | 3.0°F (1924) | 1.84 in (1931) |
| December 18 | 57.0°F (1933) | 0.0°F (1924) | 2.00 in (1917) |
| December 19 | 57.0°F (1958) | 3.9°F (1924) | 1.77 in (1941) |
| December 20 | 59.0°F (1919) | 6.1°F (1990) | 2.20 in (2019) |
| December 21 | 62.1°F (1940) | 6.1°F (1990) | 2.01 in (1915) |
| December 22 | 61.0°F (1940) | 6.1°F (1924) | 1.93 in (1933) |
| December 23 | 68.0°F (1940) | 7.0°F (1924) | 1.35 in (2005) |
| December 24 | 66.9°F (1940) | 7.0°F (1924) | 1.48 in (1922) |
| December 25 | 61.0°F (1940) | 8.1°F (1924) | 1.14 in (1998) |
| December 26 | 61.0°F (1980) | 10.0°F (1924) | 1.70 in (1974) |
| December 27 | 60.1°F (1937) | 10.9°F (2021) | 1.86 in (1998) |
| December 28 | 72.0°F (1937) | 8.1°F (1990) | 2.50 in (1937) |
| December 29 | 70.0°F (1937) | 3.0°F (1968) | 1.93 in (2017) |
| December 30 | 70.0°F (1937) | 0.0°F (1968) | 1.65 in (1970) |
| December 31 | 57.0°F (1917) | 3.9°F (1978) | 1.17 in (1922) |