December weather in Sequim, WA
The average temperature in Sequim in December is 38.8°F (31.8°F–45.9°F). Average precipitation: 2.25 inches. Average snowfall is 1.4 inches.
December is a winter month in Sequim, and is cooler than the annual average of 48.9°F. Daily temperatures swing about 14.1°F between overnight low and afternoon high. Expect about 17 days with precipitation. Daylight averages about 8h 10m. For travel, December is cool.
Avg High
45.9°F
Avg Low
31.8°F
Precipitation
2.25 in
Snow
1.4 in
December records in Sequim
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 53.1°F (2000) | -0.9°F (1985) | 0.51 in (2005) |
| December 2 | 55.9°F (2007) | 19.9°F (1984) | 1.02 in (2007) |
| December 3 | 57.9°F (2007) | 19.0°F (1984) | 0.77 in (1982) |
| December 4 | 57.9°F (1993) | 16.0°F (1994) | 0.62 in (1990) |
| December 5 | 55.0°F (1989) | 18.0°F (1994) | 0.51 in (2023) |
| December 6 | 55.9°F (2015) | 18.0°F (2009) | 0.24 in (1987) |
| December 7 | 55.9°F (2015) | 12.9°F (2013) | 0.66 in (1987) |
| December 8 | 60.1°F (2014) | 14.0°F (2009) | 1.21 in (2015) |
| December 9 | 60.1°F (2014) | 12.9°F (2022) | 0.79 in (2004) |
| December 10 | 60.1°F (2014) | 16.0°F (2009) | 1.41 in (1987) |
| December 11 | 55.9°F (1995) | 19.0°F (2000) | 0.88 in (2010) |
| December 12 | 57.0°F (2002) | 19.0°F (2000) | 0.50 in (2008) |
| December 13 | 61.0°F (2018) | 21.9°F (1981) | 0.76 in (1995) |
| December 14 | 60.1°F (2018) | 24.1°F (1994) | 0.79 in (2006) |
| December 15 | 57.9°F (2025) | 17.1°F (2008) | 0.53 in (1984) |
| December 16 | 64.9°F (2025) | 19.0°F (2008) | 0.84 in (2001) |
| December 17 | 55.0°F (1982) | 21.0°F (1983) | 0.82 in (2025) |
| December 18 | 55.9°F (2024) | 14.0°F (2008) | 1.14 in (2017) |
| December 19 | 57.0°F (2018) | 12.0°F (2008) | 0.46 in (2019) |
| December 20 | 61.0°F (2018) | 12.9°F (1990) | 1.06 in (2019) |
| December 21 | 55.0°F (2005) | 5.0°F (1983) | 1.34 in (2020) |
| December 22 | 57.9°F (2005) | 1.9°F (1983) | 0.50 in (2016) |
| December 23 | 55.0°F (1980) | 6.1°F (1983) | 0.42 in (2014) |
| December 24 | 57.9°F (2005) | 1.0°F (1983) | 0.80 in (2015) |
| December 25 | 57.9°F (2005) | 21.0°F (1995) | 0.66 in (2021) |
| December 26 | 57.9°F (1980) | 10.0°F (2021) | 0.89 in (2006) |
| December 27 | 64.0°F (1980) | 12.0°F (2021) | 0.54 in (1996) |
| December 28 | 61.0°F (2023) | 17.1°F (1996) | 0.72 in (1992) |
| December 29 | 61.0°F (2023) | 10.0°F (1990) | 2.00 in (1996) |
| December 30 | 64.9°F (2023) | 19.0°F (2010) | 0.42 in (1988) |
| December 31 | 55.0°F (2023) | 12.9°F (2021) | 0.86 in (2023) |