December weather in Unity, OR
The average temperature in Unity in December is 24.8°F (16.0°F–33.5°F). Average precipitation: 3.32 inches.
December is a winter month in Unity, and is cooler than the annual average of 42.6°F. Daily temperatures swing about 17.5°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 8h 40m. For travel, December is cold.
Avg High
33.5°F
Avg Low
16.0°F
Precipitation
3.32 in
Daylight
8h 40m
December records in Unity
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 60.1°F (1956) | -15.0°F (1936) | 0.84 in (2005) |
| December 2 | 55.9°F (1939) | -8.0°F (1919) | 0.96 in (1962) |
| December 3 | 55.9°F (1941) | -9.0°F (1992) | 1.24 in (1951) |
| December 4 | 53.1°F (1975) | -9.0°F (1992) | 0.45 in (1914) |
| December 5 | 53.1°F (1937) | -15.0°F (1992) | 0.86 in (1996) |
| December 6 | 55.9°F (1933) | -11.9°F (1960) | 1.15 in (2001) |
| December 7 | 53.1°F (1962) | -14.1°F (1978) | 0.74 in (1914) |
| December 8 | 55.0°F (1962) | -27.0°F (1972) | 0.70 in (1942) |
| December 9 | 55.0°F (1975) | -27.9°F (1972) | 1.11 in (1971) |
| December 10 | 55.0°F (1939) | -27.0°F (1932) | 2.23 in (1915) |
| December 11 | 55.0°F (1993) | -27.9°F (1932) | 1.00 in (1948) |
| December 12 | 48.0°F (1929) | -35.0°F (1919) | 2.59 in (1916) |
| December 13 | 55.0°F (1995) | -41.1°F (1919) | 0.91 in (1958) |
| December 14 | 52.0°F (2002) | -29.9°F (1919) | 0.57 in (1915) |
| December 15 | 55.0°F (1913) | -25.1°F (1919) | 1.66 in (2009) |
| December 16 | 52.0°F (1941) | -18.0°F (1967) | 0.90 in (1912) |
| December 17 | 50.0°F (1929) | -35.0°F (1964) | 0.75 in (1931) |
| December 18 | 53.1°F (1963) | -26.0°F (1964) | 0.90 in (1929) |
| December 19 | 50.0°F (1980) | -20.0°F (1915) | 0.97 in (1981) |
| December 20 | 48.9°F (1929) | -15.0°F (1990) | 0.69 in (1969) |
| December 21 | 55.0°F (1933) | -29.9°F (1990) | 1.50 in (1955) |
| December 22 | 55.0°F (1936) | -36.0°F (1990) | 1.22 in (1964) |
| December 23 | 54.0°F (1929) | -36.9°F (1983) | 1.74 in (1964) |
| December 24 | 55.9°F (1929) | -36.9°F (1983) | 1.18 in (2008) |
| December 25 | 54.0°F (1929) | -16.1°F (1951) | 0.87 in (1980) |
| December 26 | 55.0°F (1929) | -13.0°F (1912) | 0.70 in (1917) |
| December 27 | 48.9°F (1932) | -23.1°F (1916) | 1.38 in (1931) |
| December 28 | 50.0°F (1917) | -14.1°F (1971) | 1.02 in (1945) |
| December 29 | 50.0°F (1932) | -29.9°F (1990) | 0.70 in (1996) |
| December 30 | 57.0°F (1997) | -41.1°F (1915) | 1.19 in (1983) |
| December 31 | 50.0°F (1958) | -34.1°F (1978) | 0.81 in (1996) |