December weather in Selah, WA
The average temperature in Selah in December is 28.8°F (21.1°F–36.5°F). Average precipitation: 1.36 inches.
December is a winter month in Selah, and is cooler than the annual average of 49.2°F. Daily temperatures swing about 15.4°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 8h 22m. For travel, December is cold.
Avg High
36.5°F
Avg Low
21.1°F
Precipitation
1.36 in
Daylight
8h 22m
December records in Selah
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.9°F (2021) | 7.0°F (2006) | 0.35 in (1998) |
| December 2 | 57.9°F (2021) | 7.0°F (2006) | 0.43 in (2012) |
| December 3 | 57.0°F (2008) | 6.1°F (2006) | 0.47 in (2001) |
| December 4 | 55.0°F (2007) | 6.1°F (2006) | 0.30 in (2012) |
| December 5 | 59.0°F (2007) | 7.0°F (2013) | 0.09 in (2002) |
| December 6 | 60.1°F (2007) | 7.0°F (2013) | 0.15 in (2001) |
| December 7 | 55.0°F (2025) | 10.0°F (2013) | 0.39 in (2015) |
| December 8 | 55.0°F (2025) | -2.0°F (2013) | 0.45 in (2015) |
| December 9 | 55.9°F (2025) | 3.0°F (2013) | 0.30 in (2015) |
| December 10 | 51.1°F (2015) | 3.9°F (2013) | 0.70 in (2001) |
| December 11 | 68.0°F (2025) | 3.9°F (2016) | 0.17 in (2019) |
| December 12 | 55.9°F (2025) | 7.0°F (2005) | 0.38 in (2010) |
| December 13 | 55.9°F (1999) | 8.1°F (2005) | 0.22 in (2006) |
| December 14 | 55.0°F (2025) | 7.0°F (2000) | 0.62 in (2002) |
| December 15 | 48.9°F (1998) | 8.1°F (2000) | 0.47 in (2002) |
| December 16 | 68.0°F (2025) | -2.0°F (2008) | 0.78 in (2002) |
| December 17 | 61.0°F (1999) | 1.0°F (2008) | 0.63 in (2012) |
| December 18 | 54.0°F (1998) | 1.9°F (2016) | 0.37 in (2015) |
| December 19 | 54.0°F (1999) | -2.9°F (2016) | 0.34 in (2025) |
| December 20 | 51.1°F (2017) | 1.0°F (2008) | 0.22 in (2016) |
| December 21 | 55.0°F (2019) | 1.0°F (1998) | 0.32 in (2008) |
| December 22 | 54.0°F (2014) | -6.0°F (2008) | 0.34 in (2015) |
| December 23 | 53.1°F (2014) | -2.9°F (2008) | 0.32 in (2015) |
| December 24 | 55.0°F (2013) | 3.0°F (1998) | 0.23 in (2000) |
| December 25 | 46.0°F (2013) | 3.9°F (2008) | 0.12 in (2017) |
| December 26 | 46.0°F (1998) | -7.1°F (2008) | 0.37 in (2012) |
| December 27 | 52.0°F (2024) | -2.9°F (2008) | 0.50 in (2002) |
| December 28 | 52.0°F (2004) | 9.0°F (2016) | 0.65 in (1998) |
| December 29 | 52.0°F (1998) | 8.1°F (2007) | 0.28 in (2014) |
| December 30 | 57.0°F (1998) | 7.0°F (2003) | 0.25 in (2011) |
| December 31 | 48.9°F (1998) | 1.0°F (2015) | 0.40 in (2002) |