December weather in Halfway, OR
The average temperature in Halfway in December is 26.6°F (20.3°F–33.0°F). Average precipitation: 3.78 inches. Average snowfall is 21.6 inches.
December is a winter month in Halfway, and is cooler than the annual average of 47.9°F. Daily temperatures swing about 12.7°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 8h 36m. For travel, December is cold.
Avg High
33.0°F
Avg Low
20.3°F
Precipitation
3.78 in
Snow
21.6 in
December records in Halfway
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 54.0°F (2021) | 1.9°F (1988) | 0.93 in (1942) |
| December 2 | 57.0°F (2008) | 3.0°F (1988) | 1.29 in (1999) |
| December 3 | 59.0°F (1941) | -2.0°F (1984) | 1.42 in (1951) |
| December 4 | 54.0°F (1946) | -4.0°F (1992) | 1.43 in (1978) |
| December 5 | 61.0°F (1987) | -14.1°F (1994) | 1.64 in (1971) |
| December 6 | 57.0°F (1987) | -18.0°F (1992) | 0.87 in (1957) |
| December 7 | 54.0°F (1939) | -6.0°F (1951) | 1.64 in (2015) |
| December 8 | 51.1°F (1981) | -20.0°F (1972) | 0.83 in (1950) |
| December 9 | 53.1°F (2015) | -24.0°F (1972) | 0.90 in (1987) |
| December 10 | 54.0°F (1968) | -24.0°F (1972) | 2.29 in (1937) |
| December 11 | 53.1°F (2014) | -15.0°F (1972) | 1.31 in (1956) |
| December 12 | 54.0°F (1995) | -8.0°F (1985) | 0.93 in (1995) |
| December 13 | 53.1°F (1995) | -17.0°F (1972) | 2.25 in (1966) |
| December 14 | 48.9°F (2025) | -17.0°F (1955) | 0.94 in (2021) |
| December 15 | 55.0°F (2002) | -9.9°F (1955) | 1.92 in (2009) |
| December 16 | 57.0°F (1941) | -8.0°F (1964) | 1.92 in (1997) |
| December 17 | 55.0°F (2025) | -31.0°F (1964) | 1.75 in (1972) |
| December 18 | 52.0°F (1941) | -17.0°F (1948) | 1.25 in (2025) |
| December 19 | 48.9°F (1972) | -8.0°F (1954) | 1.41 in (1961) |
| December 20 | 51.1°F (2023) | -9.9°F (1949) | 1.31 in (1974) |
| December 21 | 50.0°F (1957) | -18.9°F (1998) | 1.54 in (2014) |
| December 22 | 55.9°F (1955) | -16.1°F (1990) | 1.30 in (1951) |
| December 23 | 51.1°F (1964) | -27.0°F (1983) | 0.92 in (1968) |
| December 24 | 50.0°F (1964) | -27.9°F (1948) | 1.63 in (1972) |
| December 25 | 48.0°F (2025) | -22.0°F (1948) | 1.30 in (1980) |
| December 26 | 48.0°F (1938) | -20.9°F (1948) | 1.33 in (1975) |
| December 27 | 48.0°F (2022) | -15.0°F (1954) | 1.62 in (1951) |
| December 28 | 57.9°F (1965) | -9.9°F (1985) | 1.73 in (1945) |
| December 29 | 48.0°F (1965) | -22.0°F (1990) | 0.90 in (1995) |
| December 30 | 51.1°F (1980) | -27.9°F (1978) | 1.80 in (2005) |
| December 31 | 48.9°F (1962) | -27.0°F (1978) | 1.60 in (1993) |