December weather in Siletz, OR
The average temperature in Siletz in December is 47.4°F (41.8°F–53.0°F). Average precipitation: inches.
December is a winter month in Siletz, and is cooler than the annual average of 52.2°F. Daily temperatures swing about 11.2°F between overnight low and afternoon high. Daylight averages about 8h 38m. For travel, December is cool.
Avg High
53.0°F
Avg Low
41.8°F
Precipitation
in
Daylight
8h 38m
December records in Siletz
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (2021) | 27.0°F (2014) | 1.05 in (2018) |
| December 2 | 64.0°F (2017) | 36.0°F (2009) | 1.16 in (2015) |
| December 3 | 64.9°F (2015) | 32.0°F (2009) | 1.52 in (2017) |
| December 4 | 64.0°F (2015) | 26.1°F (2013) | 1.21 in (2023) |
| December 5 | 63.0°F (2015) | 24.1°F (2013) | 1.81 in (2023) |
| December 6 | 66.9°F (2015) | 25.0°F (2013) | 2.71 in (2023) |
| December 7 | 68.0°F (2015) | 16.0°F (2013) | 1.90 in (2015) |
| December 8 | 68.0°F (2015) | 15.1°F (2013) | 1.60 in (2015) |
| December 9 | 75.9°F (2015) | 18.0°F (2013) | 2.91 in (2025) |
| December 10 | 70.0°F (2015) | 21.9°F (2009) | 1.62 in (2025) |
| December 11 | 73.0°F (2015) | 25.0°F (2009) | 2.01 in (2014) |
| December 12 | 68.0°F (2015) | 28.9°F (2011) | 0.89 in (2018) |
| December 13 | 66.9°F (2015) | 28.9°F (2011) | 1.95 in (2015) |
| December 14 | 66.9°F (2015) | 30.9°F (2009) | 0.53 in (2010) |
| December 15 | 62.1°F (2015) | 34.0°F (2016) | 1.60 in (2009) |
| December 16 | 60.1°F (2015) | 28.9°F (2016) | 0.90 in (2009) |
| December 17 | 64.0°F (2023) | 28.0°F (2016) | 2.72 in (2015) |
| December 18 | 69.1°F (2015) | 30.0°F (2016) | 3.05 in (2015) |
| December 19 | 64.0°F (2017) | 32.0°F (2016) | 3.60 in (2025) |
| December 20 | 68.0°F (2017) | 28.0°F (2013) | 3.80 in (2020) |
| December 21 | 66.9°F (2019) | 33.1°F (2012) | 2.03 in (2014) |
| December 22 | 63.0°F (2020) | 30.9°F (2022) | 0.75 in (2012) |
| December 23 | 64.0°F (2015) | 30.0°F (2022) | 0.90 in (2018) |
| December 24 | 63.0°F (2015) | 32.0°F (2009) | 0.75 in (2014) |
| December 25 | 62.1°F (2011) | 32.0°F (2009) | 0.80 in (2022) |
| December 26 | 63.0°F (2022) | 33.1°F (2013) | 1.57 in (2024) |
| December 27 | 60.1°F (2022) | 34.0°F (2013) | 1.73 in (2024) |
| December 28 | 59.0°F (2020) | 30.0°F (2021) | 1.62 in (2010) |
| December 29 | 63.0°F (2017) | 35.1°F (2013) | 1.22 in (2010) |
| December 30 | 66.0°F (2018) | 28.0°F (2014) | 2.00 in (2011) |
| December 31 | 60.1°F (2017) | 27.0°F (2014) | 1.20 in (2022) |