December weather in Blaine, WA
The average temperature in Blaine in December is 39.2°F (34.1°F–44.2°F). Average precipitation: 5.63 inches. Average snowfall is 3.3 inches.
December is a winter month in Blaine, and is cooler than the annual average of 50.9°F. Daily temperatures swing about 10.1°F between overnight low and afternoon high. Expect about 19 days with precipitation. Daylight averages about 8h 2m. For travel, December is a wet month.
Avg High
44.2°F
Avg Low
34.1°F
Precipitation
5.63 in
Snow
3.3 in
December records in Blaine
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.0°F (1958) | 18.0°F (1897) | 2.10 in (1904) |
| December 2 | 57.0°F (1941) | 21.9°F (2014) | 2.14 in (1975) |
| December 3 | 61.0°F (2015) | 17.1°F (1919) | 2.40 in (2007) |
| December 4 | 62.1°F (1939) | 16.0°F (1994) | 1.34 in (2007) |
| December 5 | 57.0°F (1944) | 14.0°F (1898) | 2.25 in (2023) |
| December 6 | 57.0°F (1987) | 14.0°F (1898) | 1.38 in (1963) |
| December 7 | 57.9°F (1939) | 9.0°F (1956) | 1.93 in (1940) |
| December 8 | 60.1°F (1939) | 7.0°F (1972) | 2.10 in (1975) |
| December 9 | 61.0°F (2014) | 10.0°F (1932) | 1.90 in (1956) |
| December 10 | 63.0°F (2014) | 10.0°F (1927) | 1.29 in (1934) |
| December 11 | 57.9°F (1957) | 7.0°F (1898) | 1.75 in (1909) |
| December 12 | 60.1°F (1960) | 0.0°F (1922) | 2.10 in (2010) |
| December 13 | 57.0°F (1960) | 10.0°F (1922) | 1.55 in (2001) |
| December 14 | 57.9°F (2002) | 12.0°F (1926) | 1.40 in (1979) |
| December 15 | 60.1°F (1962) | 8.1°F (1922) | 1.90 in (1999) |
| December 16 | 57.0°F (1976) | -0.9°F (1964) | 1.35 in (2012) |
| December 17 | 57.9°F (1935) | 6.1°F (1964) | 2.43 in (1979) |
| December 18 | 55.9°F (1939) | 12.0°F (1897) | 1.73 in (2024) |
| December 19 | 55.9°F (1919) | 12.0°F (1897) | 1.88 in (1948) |
| December 20 | 55.9°F (1925) | 10.9°F (1990) | 2.00 in (1933) |
| December 21 | 57.9°F (1940) | 7.0°F (1990) | 1.68 in (2020) |
| December 22 | 55.9°F (1933) | 10.0°F (1998) | 1.57 in (1967) |
| December 23 | 57.0°F (2005) | 6.1°F (1990) | 2.60 in (1910) |
| December 24 | 61.0°F (1963) | 12.9°F (1948) | 1.70 in (1902) |
| December 25 | 60.1°F (2005) | 6.1°F (1964) | 1.03 in (1957) |
| December 26 | 62.1°F (1980) | 12.0°F (1948) | 1.50 in (1980) |
| December 27 | 62.1°F (1980) | 8.1°F (1971) | 1.90 in (1897) |
| December 28 | 54.0°F (1922) | 0.0°F (1968) | 2.11 in (1937) |
| December 29 | 55.9°F (1904) | -0.9°F (1968) | 2.00 in (1917) |
| December 30 | 57.0°F (1952) | 1.9°F (1968) | 1.23 in (1954) |
| December 31 | 57.9°F (1963) | 6.1°F (1951) | 1.50 in (1938) |