December weather in Prineville, OR
The average temperature in Prineville in December is 32.9°F (23.9°F–41.9°F). Average precipitation: 1.33 inches. Average snowfall is 1.5 inches.
December is a winter month in Prineville, and is cooler than the annual average of 49.4°F. Daily temperatures swing about 18°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 41m. For travel, December is cold.
Avg High
41.9°F
Avg Low
23.9°F
Precipitation
1.33 in
Snow
1.5 in
December records in Prineville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 70.0°F (1898) | 1.0°F (1936) | 0.63 in (1985) |
| December 2 | 72.0°F (2021) | 1.9°F (1985) | 0.79 in (1962) |
| December 3 | 72.0°F (1901) | 1.0°F (1992) | 1.11 in (1901) |
| December 4 | 73.9°F (1901) | -8.0°F (1992) | 0.51 in (1968) |
| December 5 | 75.9°F (1901) | -18.0°F (1992) | 1.00 in (1922) |
| December 6 | 70.0°F (1901) | -8.0°F (1909) | 1.12 in (1923) |
| December 7 | 70.0°F (1901) | -20.0°F (1972) | 0.47 in (1902) |
| December 8 | 72.0°F (1915) | -34.1°F (1972) | 0.50 in (1910) |
| December 9 | 66.9°F (1933) | -29.0°F (1972) | 0.78 in (2004) |
| December 10 | 64.0°F (1993) | -29.9°F (1972) | 0.69 in (1919) |
| December 11 | 66.9°F (1901) | -18.9°F (1932) | 0.80 in (1948) |
| December 12 | 68.0°F (1901) | -31.0°F (1919) | 0.48 in (1929) |
| December 13 | 63.0°F (1897) | -15.0°F (1972) | 0.63 in (2006) |
| December 14 | 69.1°F (1901) | -16.1°F (1972) | 0.72 in (1977) |
| December 15 | 71.1°F (1901) | -9.0°F (1932) | 0.55 in (1981) |
| December 16 | 64.0°F (1901) | -11.0°F (1922) | 0.53 in (1941) |
| December 17 | 66.9°F (1901) | -18.0°F (1924) | 0.50 in (1972) |
| December 18 | 64.0°F (1900) | -15.0°F (1924) | 1.67 in (1929) |
| December 19 | 66.9°F (1901) | -11.9°F (1924) | 0.70 in (1898) |
| December 20 | 61.0°F (1900) | -5.1°F (1921) | 0.45 in (2010) |
| December 21 | 68.0°F (1900) | -16.1°F (1990) | 1.34 in (1907) |
| December 22 | 64.0°F (1900) | -32.1°F (1924) | 1.09 in (1964) |
| December 23 | 69.1°F (1900) | -32.1°F (1924) | 0.86 in (1964) |
| December 24 | 70.0°F (1900) | -18.0°F (1924) | 0.75 in (1964) |
| December 25 | 68.0°F (1900) | -11.9°F (1924) | 0.84 in (1966) |
| December 26 | 66.0°F (1900) | -8.0°F (1988) | 0.65 in (1981) |
| December 27 | 69.1°F (1900) | -9.0°F (1916) | 1.03 in (1998) |
| December 28 | 68.0°F (1901) | -2.0°F (1983) | 1.05 in (1945) |
| December 29 | 66.9°F (1901) | -0.9°F (1990) | 0.49 in (1935) |
| December 30 | 64.9°F (1980) | -6.0°F (1968) | 0.71 in (2002) |
| December 31 | 70.0°F (1901) | -11.0°F (1923) | 0.35 in (1942) |