December weather in Scappoose, OR
The average temperature in Scappoose in December is 39.9°F (33.7°F–46.1°F). Average precipitation: 7.25 inches.
December is a winter month in Scappoose, and is cooler than the annual average of 53°F. Daily temperatures swing about 12.4°F between overnight low and afternoon high. Expect about 20 days with precipitation. Daylight averages about 8h 30m. For travel, December is a wet month.
Avg High
46.1°F
Avg Low
33.7°F
Precipitation
7.25 in
Daylight
8h 30m
December records in Scappoose
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 59.0°F (2021) | 20.1°F (2019) | 1.71 in (1998) |
| December 2 | 57.0°F (2020) | 19.2°F (2014) | 3.17 in (2007) |
| December 3 | 59.0°F (2007) | 25.2°F (2019) | 2.44 in (2007) |
| December 4 | 64.0°F (2007) | 20.1°F (2013) | 0.64 in (2025) |
| December 5 | 60.1°F (2023) | 16.2°F (2013) | 1.85 in (2023) |
| December 6 | 59.0°F (2023) | 16.2°F (2013) | 1.13 in (2015) |
| December 7 | 59.0°F (2015) | 7.2°F (2013) | 1.95 in (2015) |
| December 8 | 57.0°F (2025) | 5.2°F (2013) | 1.42 in (2025) |
| December 9 | 57.0°F (2004) | 8.2°F (2009) | 1.09 in (2022) |
| December 10 | 60.1°F (2004) | 8.2°F (2009) | 1.02 in (2014) |
| December 11 | 61.0°F (2014) | 10.2°F (2009) | 1.24 in (2021) |
| December 12 | 57.9°F (1998) | 21.2°F (2013) | 0.99 in (1998) |
| December 13 | 57.0°F (2018) | 19.2°F (2009) | 1.46 in (2001) |
| December 14 | 57.9°F (2002) | 21.0°F (2005) | 1.38 in (2002) |
| December 15 | 61.0°F (2025) | 13.1°F (2008) | 1.43 in (2009) |
| December 16 | 60.1°F (2025) | 12.2°F (2008) | 1.57 in (2001) |
| December 17 | 57.9°F (2025) | 19.2°F (2016) | 1.98 in (2015) |
| December 18 | 59.0°F (2018) | 18.0°F (2005) | 1.88 in (2025) |
| December 19 | 55.9°F (2024) | 21.0°F (1998) | 1.41 in (2019) |
| December 20 | 59.0°F (2018) | 12.9°F (1998) | 1.77 in (2019) |
| December 21 | 60.1°F (2020) | 12.0°F (1998) | 1.20 in (2005) |
| December 22 | 54.0°F (2005) | 9.0°F (1998) | 1.16 in (2000) |
| December 23 | 53.1°F (2013) | 9.0°F (1998) | 0.72 in (2015) |
| December 24 | 52.0°F (2005) | 24.1°F (1998) | 1.05 in (2006) |
| December 25 | 55.9°F (2005) | 23.2°F (2009) | 1.50 in (2024) |
| December 26 | 57.0°F (2022) | 23.2°F (2009) | 2.66 in (2022) |
| December 27 | 55.9°F (2004) | 24.3°F (2009) | 2.65 in (1998) |
| December 28 | 55.0°F (2011) | 24.3°F (2020) | 1.25 in (2005) |
| December 29 | 57.0°F (2023) | 22.1°F (2009) | 0.99 in (2022) |
| December 30 | 54.0°F (1998) | 19.2°F (2014) | 1.39 in (2002) |
| December 31 | 51.1°F (1998) | 18.1°F (2014) | 1.04 in (2009) |