December weather in Ione, OR
The average temperature in Ione in December is 34.9°F (27.2°F–42.5°F). Average precipitation: 1.26 inches. Average snowfall is 4.3 inches.
December is a winter month in Ione, and is cooler than the annual average of 51.7°F. Daily temperatures swing about 15.3°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 8h 32m. For travel, December is cold.
Avg High
42.5°F
Avg Low
27.2°F
Precipitation
1.26 in
Snow
4.3 in
December records in Ione
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (1972) | -4.0°F (1985) | 0.35 in (1942) |
| December 2 | 64.0°F (1926) | 3.0°F (1985) | 0.75 in (1905) |
| December 3 | 64.9°F (1927) | 10.9°F (1992) | 0.40 in (1895) |
| December 4 | 64.9°F (1915) | -0.9°F (1972) | 0.92 in (1978) |
| December 5 | 75.0°F (1939) | -2.0°F (1972) | 0.62 in (1922) |
| December 6 | 64.0°F (2023) | 3.9°F (1898) | 1.01 in (1923) |
| December 7 | 64.9°F (1938) | -7.1°F (1972) | 0.58 in (1957) |
| December 8 | 64.9°F (1915) | -15.0°F (1972) | 0.63 in (1929) |
| December 9 | 64.0°F (1933) | -11.0°F (1972) | 0.64 in (1902) |
| December 10 | 71.1°F (1957) | -11.9°F (1972) | 0.63 in (1919) |
| December 11 | 66.9°F (1924) | -9.0°F (1932) | 0.83 in (1937) |
| December 12 | 69.1°F (1921) | -18.0°F (1919) | 0.40 in (2002) |
| December 13 | 66.0°F (1895) | -18.0°F (1919) | 0.54 in (1977) |
| December 14 | 68.0°F (2025) | -15.0°F (1919) | 0.62 in (2003) |
| December 15 | 70.0°F (1980) | -11.9°F (1919) | 0.59 in (2016) |
| December 16 | 66.9°F (1942) | -9.9°F (1932) | 0.57 in (1941) |
| December 17 | 64.0°F (1976) | -15.0°F (1964) | 0.56 in (1973) |
| December 18 | 66.0°F (1917) | -8.0°F (1964) | 0.73 in (1929) |
| December 19 | 61.0°F (1936) | -7.1°F (1924) | 1.20 in (1895) |
| December 20 | 60.1°F (1956) | -11.0°F (1990) | 0.82 in (1920) |
| December 21 | 66.0°F (1933) | -15.0°F (1990) | 0.66 in (1964) |
| December 22 | 64.0°F (1933) | -11.9°F (1990) | 0.58 in (1964) |
| December 23 | 66.9°F (1950) | -14.1°F (1983) | 0.58 in (1964) |
| December 24 | 64.0°F (1919) | -11.0°F (1983) | 0.61 in (2024) |
| December 25 | 66.0°F (1980) | -9.9°F (1924) | 0.45 in (1966) |
| December 26 | 68.0°F (1980) | -4.0°F (1924) | 0.47 in (2024) |
| December 27 | 64.0°F (1980) | 5.0°F (1924) | 0.51 in (1973) |
| December 28 | 63.0°F (1917) | 3.9°F (1978) | 0.57 in (1945) |
| December 29 | 64.0°F (1917) | -9.9°F (1990) | 0.80 in (1904) |
| December 30 | 64.0°F (1917) | -11.9°F (1990) | 0.57 in (1952) |
| December 31 | 62.1°F (1917) | -9.9°F (1978) | 0.63 in (1902) |