December weather in Boardman, OR
The average temperature in Boardman in December is 35.4°F (29.1°F–41.6°F). Average precipitation: 1.38 inches. Average snowfall is 0.8 inches.
December is a winter month in Boardman, and is cooler than the annual average of 54°F. Daily temperatures swing about 12.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 29m. For travel, December is cold.
Avg High
41.6°F
Avg Low
29.1°F
Precipitation
1.38 in
Snow
0.8 in
December records in Boardman
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 61.0°F (1995) | 1.9°F (1985) | 0.30 in (1998) |
| December 2 | 73.0°F (2021) | -7.1°F (1985) | 0.50 in (1980) |
| December 3 | 64.0°F (2021) | 10.9°F (1985) | 0.30 in (1987) |
| December 4 | 68.0°F (1982) | 10.9°F (2013) | 0.25 in (1974) |
| December 5 | 64.0°F (2007) | 7.0°F (2013) | 0.69 in (1978) |
| December 6 | 57.9°F (2025) | 3.9°F (2013) | 0.42 in (1981) |
| December 7 | 60.1°F (1977) | 10.9°F (2013) | 0.76 in (2007) |
| December 8 | 60.1°F (2025) | -6.0°F (1972) | 0.47 in (1996) |
| December 9 | 70.0°F (1983) | -5.1°F (1972) | 0.38 in (1995) |
| December 10 | 66.9°F (1987) | -9.0°F (1972) | 0.52 in (2025) |
| December 11 | 68.0°F (1993) | -4.0°F (1972) | 0.62 in (1995) |
| December 12 | 68.0°F (2014) | 3.0°F (2009) | 0.40 in (2022) |
| December 13 | 66.0°F (1983) | -7.1°F (1972) | 0.50 in (1977) |
| December 14 | 60.1°F (1983) | -6.0°F (1972) | 0.49 in (1977) |
| December 15 | 66.0°F (2002) | 6.1°F (1972) | 0.75 in (1981) |
| December 16 | 64.9°F (2025) | -4.0°F (2008) | 0.34 in (2009) |
| December 17 | 62.1°F (2002) | -6.0°F (2008) | 0.45 in (1973) |
| December 18 | 60.1°F (1997) | 0.0°F (2016) | 1.16 in (2024) |
| December 19 | 57.9°F (2024) | -0.9°F (1984) | 0.79 in (2025) |
| December 20 | 60.1°F (1994) | -2.0°F (1984) | 0.76 in (2021) |
| December 21 | 64.0°F (2019) | -7.1°F (1983) | 0.34 in (1973) |
| December 22 | 57.0°F (1994) | -11.9°F (1983) | 0.33 in (1980) |
| December 23 | 60.1°F (1980) | -15.0°F (1983) | 0.31 in (2005) |
| December 24 | 59.0°F (2013) | -9.9°F (1983) | 0.36 in (2012) |
| December 25 | 57.0°F (1978) | -5.1°F (1983) | 0.70 in (1996) |
| December 26 | 53.1°F (1980) | 8.1°F (1983) | 0.54 in (2024) |
| December 27 | 60.1°F (1980) | 3.9°F (1983) | 0.46 in (2002) |
| December 28 | 61.0°F (1980) | 6.1°F (1983) | 0.52 in (2002) |
| December 29 | 64.0°F (1980) | -6.0°F (1990) | 0.97 in (2010) |
| December 30 | 60.1°F (1998) | -11.9°F (1990) | 0.50 in (1977) |
| December 31 | 52.0°F (1995) | -6.0°F (1978) | 0.60 in (2005) |