December weather in Bellingham, WA
The average temperature in Bellingham in December is 40.9°F (34.8°F–46.9°F). Average precipitation: 4.52 inches. Average snowfall is 0.3 inches.
December is a winter month in Bellingham, and is cooler than the annual average of 51.9°F. Daily temperatures swing about 12.1°F between overnight low and afternoon high. Expect about 20 days with precipitation. Daylight averages about 8h 4m. For travel, December is cool.
Avg High
46.9°F
Avg Low
34.8°F
Precipitation
4.52 in
Snow
0.3 in
December records in Bellingham
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1988) | 8.1°F (1985) | 0.97 in (1999) |
| December 2 | 61.0°F (1988) | 19.9°F (1985) | 0.72 in (1998) |
| December 3 | 63.0°F (2015) | 21.9°F (2014) | 1.35 in (2007) |
| December 4 | 60.1°F (1989) | 18.0°F (1994) | 1.08 in (1989) |
| December 5 | 55.0°F (1985) | 19.9°F (2013) | 0.96 in (2023) |
| December 6 | 59.0°F (1987) | 19.0°F (2013) | 0.45 in (2012) |
| December 7 | 57.9°F (1989) | 12.0°F (2013) | 1.00 in (1987) |
| December 8 | 62.1°F (2014) | 12.9°F (2013) | 0.88 in (2010) |
| December 9 | 63.0°F (2014) | 19.0°F (2009) | 1.21 in (1990) |
| December 10 | 66.9°F (2014) | 17.1°F (2009) | 1.14 in (2004) |
| December 11 | 57.9°F (1995) | 21.9°F (2000) | 0.93 in (2021) |
| December 12 | 62.1°F (2002) | 21.0°F (2000) | 2.20 in (2010) |
| December 13 | 60.1°F (1998) | 23.0°F (1985) | 1.12 in (2001) |
| December 14 | 64.0°F (2018) | 19.0°F (2008) | 1.26 in (2001) |
| December 15 | 64.0°F (2018) | 17.1°F (2008) | 0.86 in (1999) |
| December 16 | 61.0°F (2018) | 12.9°F (2008) | 0.86 in (1997) |
| December 17 | 57.0°F (1994) | 15.1°F (2016) | 0.87 in (2020) |
| December 18 | 57.9°F (1994) | 19.0°F (2008) | 1.11 in (2021) |
| December 19 | 57.0°F (1994) | 12.9°F (2008) | 1.42 in (2017) |
| December 20 | 61.0°F (2005) | 6.1°F (2008) | 0.54 in (2019) |
| December 21 | 61.0°F (2005) | 8.1°F (1990) | 0.64 in (2020) |
| December 22 | 61.0°F (1986) | 12.9°F (2022) | 0.49 in (2020) |
| December 23 | 55.9°F (1994) | 15.1°F (1990) | 0.97 in (2016) |
| December 24 | 64.0°F (2005) | 21.9°F (2017) | 0.53 in (2022) |
| December 25 | 64.9°F (2005) | 18.0°F (1996) | 0.78 in (2004) |
| December 26 | 60.1°F (1991) | 10.9°F (2021) | 0.62 in (1994) |
| December 27 | 57.9°F (1994) | 3.0°F (2021) | 1.07 in (1994) |
| December 28 | 61.0°F (1986) | 7.0°F (2021) | 0.75 in (2011) |
| December 29 | 55.9°F (1986) | 6.1°F (1990) | 1.11 in (2018) |
| December 30 | 54.0°F (1996) | 19.0°F (1990) | 0.96 in (1993) |
| December 31 | 55.9°F (1996) | 14.0°F (2021) | 0.69 in (2022) |