December weather in Mountain Home, ID
The average temperature in Mountain Home in December is 31.2°F (23.4°F–39.1°F). Average precipitation: inches.
December is a winter month in Mountain Home, and is cooler than the annual average of 52.3°F. Daily temperatures swing about 15.7°F between overnight low and afternoon high. Daylight averages about 8h 49m. For travel, December is cold.
Avg High
39.1°F
Avg Low
23.4°F
Precipitation
in
Daylight
8h 49m
December records in Mountain Home
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 61.0°F (1941) | -6.0°F (1906) | 0.63 in (1994) |
| December 2 | 60.1°F (1939) | -2.9°F (1906) | 0.80 in (1925) |
| December 3 | 60.1°F (1918) | 0.0°F (1906) | 0.49 in (1950) |
| December 4 | 62.1°F (1939) | 0.0°F (1992) | 0.47 in (1983) |
| December 5 | 64.9°F (1939) | -4.0°F (1972) | 0.50 in (2001) |
| December 6 | 64.0°F (1939) | 3.0°F (1972) | 0.51 in (1995) |
| December 7 | 61.0°F (1939) | 1.9°F (2005) | 0.68 in (1983) |
| December 8 | 60.1°F (1940) | -2.9°F (1932) | 1.06 in (2004) |
| December 9 | 59.0°F (1981) | -20.9°F (1919) | 0.93 in (1909) |
| December 10 | 63.0°F (1933) | -20.0°F (1972) | 0.50 in (1922) |
| December 11 | 63.0°F (1933) | -20.9°F (1972) | 0.65 in (1956) |
| December 12 | 60.1°F (1921) | -16.1°F (1932) | 0.69 in (1995) |
| December 13 | 63.0°F (1929) | -20.0°F (1919) | 0.59 in (1908) |
| December 14 | 66.9°F (1929) | -17.0°F (1972) | 0.54 in (2003) |
| December 15 | 57.0°F (1929) | -18.9°F (1922) | 0.38 in (1977) |
| December 16 | 59.0°F (1957) | -15.0°F (1922) | 0.55 in (1977) |
| December 17 | 55.0°F (1957) | -15.0°F (1922) | 0.38 in (2002) |
| December 18 | 55.0°F (1917) | -9.9°F (1924) | 0.42 in (1913) |
| December 19 | 62.1°F (1953) | -16.1°F (1924) | 0.74 in (1981) |
| December 20 | 57.0°F (1940) | -15.0°F (1924) | 0.55 in (1974) |
| December 21 | 59.0°F (1933) | -14.1°F (1990) | 0.51 in (1996) |
| December 22 | 62.1°F (1964) | -25.1°F (1990) | 0.47 in (1907) |
| December 23 | 63.0°F (1964) | -20.9°F (1990) | 0.90 in (1964) |
| December 24 | 64.0°F (1964) | -25.1°F (1924) | 0.65 in (1964) |
| December 25 | 61.0°F (1964) | -36.0°F (1924) | 0.77 in (1980) |
| December 26 | 57.0°F (1976) | -35.0°F (1924) | 0.76 in (1996) |
| December 27 | 57.0°F (1980) | -16.1°F (1924) | 0.55 in (2005) |
| December 28 | 59.0°F (1965) | -5.1°F (1930) | 0.67 in (1945) |
| December 29 | 63.0°F (1917) | -7.1°F (1990) | 1.03 in (1995) |
| December 30 | 60.1°F (1917) | -17.0°F (1915) | 0.89 in (1924) |
| December 31 | 54.0°F (1917) | -20.0°F (1915) | 1.01 in (2002) |