December weather in Idaho City, ID
The average temperature in Idaho City in December is 24.3°F (13.9°F–34.6°F). Average precipitation: 3.53 inches.
December is a winter month in Idaho City, and is cooler than the annual average of 43.9°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 8h 44m. For travel, December is cold.
Avg High
34.6°F
Avg Low
13.9°F
Precipitation
3.53 in
Daylight
8h 44m
December records in Idaho City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 55.0°F (1978) | -9.0°F (1931) | 1.45 in (1896) |
| December 2 | 57.9°F (1925) | -6.0°F (1984) | 1.25 in (1980) |
| December 3 | 59.0°F (1939) | -8.0°F (1984) | 0.98 in (1977) |
| December 4 | 60.1°F (1939) | -8.0°F (1992) | 2.04 in (1901) |
| December 5 | 64.0°F (1939) | -14.1°F (1992) | 1.42 in (1996) |
| December 6 | 55.9°F (1925) | -14.1°F (1992) | 0.94 in (1971) |
| December 7 | 57.0°F (1925) | -14.1°F (1992) | 0.83 in (2004) |
| December 8 | 59.0°F (1925) | -20.0°F (1919) | 1.46 in (1894) |
| December 9 | 54.0°F (1925) | -20.9°F (1972) | 1.73 in (1909) |
| December 10 | 57.0°F (1933) | -20.9°F (1972) | 0.69 in (1922) |
| December 11 | 55.9°F (1933) | -17.0°F (1972) | 1.11 in (1956) |
| December 12 | 55.9°F (1921) | -11.9°F (1919) | 1.20 in (1946) |
| December 13 | 61.0°F (1929) | -29.0°F (1919) | 1.30 in (1917) |
| December 14 | 54.0°F (1956) | -23.1°F (1919) | 1.55 in (2001) |
| December 15 | 55.9°F (1983) | -18.9°F (1919) | 1.42 in (1977) |
| December 16 | 51.1°F (1941) | -13.0°F (1931) | 4.55 in (1929) |
| December 17 | 48.9°F (1923) | -26.0°F (1964) | 0.72 in (1972) |
| December 18 | 59.0°F (1894) | -15.0°F (1924) | 1.40 in (1941) |
| December 19 | 48.0°F (1939) | -16.1°F (1924) | 2.25 in (1932) |
| December 20 | 57.9°F (1894) | -18.0°F (1949) | 1.32 in (1974) |
| December 21 | 64.0°F (1894) | -18.0°F (1990) | 1.17 in (1982) |
| December 22 | 54.0°F (1919) | -32.1°F (1990) | 2.15 in (1955) |
| December 23 | 54.0°F (1950) | -32.1°F (1990) | 2.08 in (1955) |
| December 24 | 52.0°F (1925) | -26.0°F (1990) | 0.99 in (1964) |
| December 25 | 52.0°F (1925) | -22.0°F (1990) | 1.37 in (1980) |
| December 26 | 50.0°F (1976) | -20.9°F (1990) | 1.96 in (1996) |
| December 27 | 51.1°F (1925) | -15.0°F (1904) | 1.48 in (1932) |
| December 28 | 52.0°F (1933) | -16.1°F (1988) | 2.59 in (1931) |
| December 29 | 78.1°F (1917) | -23.1°F (1904) | 1.10 in (2010) |
| December 30 | 78.1°F (1917) | -23.1°F (1978) | 1.09 in (1924) |
| December 31 | 70.0°F (1917) | -14.1°F (1927) | 1.42 in (2005) |