December weather in Pendleton, OR
The average temperature in Pendleton in December is 35.6°F (27.7°F–43.5°F). Average precipitation: inches.
December is a winter month in Pendleton, and is cooler than the annual average of 52.9°F. Daily temperatures swing about 15.8°F between overnight low and afternoon high. Daylight averages about 8h 30m. For travel, December is cold.
Avg High
43.5°F
Avg Low
27.7°F
Precipitation
in
Daylight
8h 30m
December records in Pendleton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.0°F (1926) | 6.1°F (2014) | 0.80 in (1993) |
| December 2 | 66.9°F (1941) | 12.0°F (1931) | 0.60 in (2012) |
| December 3 | 64.9°F (1939) | 10.9°F (1992) | 0.33 in (1910) |
| December 4 | 70.0°F (1923) | 5.0°F (1909) | 0.32 in (1902) |
| December 5 | 66.9°F (1989) | 3.0°F (2013) | 0.70 in (1901) |
| December 6 | 63.0°F (1987) | 1.9°F (1909) | 1.00 in (1923) |
| December 7 | 66.9°F (1938) | 5.0°F (2013) | 0.41 in (2007) |
| December 8 | 66.9°F (1915) | -9.9°F (2013) | 0.74 in (1929) |
| December 9 | 64.9°F (1933) | -5.1°F (1932) | 0.30 in (1909) |
| December 10 | 66.9°F (1933) | -6.0°F (1932) | 0.80 in (1919) |
| December 11 | 66.9°F (1924) | -9.9°F (1932) | 0.98 in (1899) |
| December 12 | 75.0°F (1921) | -23.1°F (1919) | 0.66 in (1995) |
| December 13 | 69.1°F (1995) | -27.9°F (1919) | 0.34 in (1897) |
| December 14 | 62.1°F (2002) | -22.0°F (1919) | 0.55 in (2003) |
| December 15 | 66.0°F (2002) | -18.0°F (1919) | 0.52 in (1900) |
| December 16 | 62.1°F (1939) | -8.0°F (2008) | 0.85 in (2009) |
| December 17 | 62.1°F (1917) | -5.1°F (2016) | 0.91 in (1915) |
| December 18 | 68.0°F (1917) | -5.1°F (1924) | 0.85 in (1929) |
| December 19 | 62.1°F (1917) | -6.0°F (1924) | 0.76 in (1925) |
| December 20 | 66.0°F (1900) | -6.0°F (1990) | 1.00 in (1920) |
| December 21 | 68.0°F (1933) | -22.0°F (1990) | 0.34 in (2014) |
| December 22 | 68.0°F (1933) | -20.0°F (1990) | 0.60 in (1892) |
| December 23 | 64.9°F (1950) | -9.0°F (1990) | 0.50 in (1922) |
| December 24 | 62.1°F (1899) | -18.9°F (1924) | 1.25 in (1925) |
| December 25 | 60.1°F (1899) | -16.1°F (1924) | 0.49 in (1933) |
| December 26 | 64.0°F (1928) | -9.0°F (1924) | 0.50 in (2006) |
| December 27 | 63.0°F (1917) | 6.1°F (1924) | 0.38 in (1994) |
| December 28 | 64.9°F (1937) | 1.9°F (1946) | 0.75 in (1923) |
| December 29 | 64.9°F (1917) | -17.0°F (1990) | 0.45 in (1924) |
| December 30 | 63.0°F (1920) | -13.0°F (1990) | 0.80 in (1923) |
| December 31 | 62.1°F (1938) | -9.0°F (1941) | 0.51 in (1927) |