December weather in Jerome, ID
The average temperature in Jerome in December is 28.9°F (22.2°F–35.5°F). Average precipitation: 1.50 inches.
December is a winter month in Jerome, and is cooler than the annual average of 50.1°F. Daily temperatures swing about 13.3°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 52m. For travel, December is cold.
Avg High
35.5°F
Avg Low
22.2°F
Precipitation
1.50 in
Daylight
8h 52m
December records in Jerome
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (1999) | -0.9°F (2015) | 0.77 in (1917) |
| December 2 | 63.0°F (1995) | -7.1°F (2015) | 0.81 in (2019) |
| December 3 | 61.0°F (1939) | 9.0°F (1936) | 0.43 in (1962) |
| December 4 | 61.0°F (1939) | -7.1°F (1992) | 0.47 in (1994) |
| December 5 | 64.0°F (1939) | -7.1°F (1992) | 0.87 in (1996) |
| December 6 | 60.1°F (1918) | -6.0°F (1992) | 0.70 in (1955) |
| December 7 | 61.0°F (1939) | -2.9°F (1992) | 0.45 in (1918) |
| December 8 | 59.0°F (1939) | -2.9°F (1932) | 0.44 in (2015) |
| December 9 | 57.0°F (2025) | -13.0°F (1972) | 0.63 in (1992) |
| December 10 | 66.9°F (1939) | -15.0°F (1972) | 0.68 in (1937) |
| December 11 | 61.0°F (1990) | -14.1°F (1932) | 0.85 in (1948) |
| December 12 | 57.9°F (1921) | -11.9°F (1932) | 0.95 in (2016) |
| December 13 | 62.1°F (1929) | -11.9°F (1919) | 0.30 in (2003) |
| December 14 | 60.1°F (1929) | -9.0°F (1919) | 0.62 in (2001) |
| December 15 | 60.1°F (1929) | -8.0°F (1931) | 0.55 in (1981) |
| December 16 | 55.9°F (1941) | -2.0°F (1922) | 0.78 in (2009) |
| December 17 | 55.0°F (1962) | -8.0°F (1964) | 0.53 in (2020) |
| December 18 | 57.9°F (1917) | -9.9°F (1924) | 0.39 in (1977) |
| December 19 | 59.0°F (1917) | -15.0°F (1924) | 0.49 in (2016) |
| December 20 | 54.0°F (1958) | -8.0°F (1924) | 0.50 in (1981) |
| December 21 | 57.9°F (1969) | -15.0°F (1990) | 0.70 in (1996) |
| December 22 | 59.0°F (1933) | -24.0°F (1990) | 1.10 in (2014) |
| December 23 | 62.1°F (1955) | -20.9°F (1990) | 1.45 in (1964) |
| December 24 | 54.0°F (1936) | -18.9°F (1990) | 1.00 in (1968) |
| December 25 | 54.0°F (2025) | -18.9°F (1924) | 0.45 in (2003) |
| December 26 | 54.0°F (1933) | -16.1°F (1924) | 0.31 in (1917) |
| December 27 | 61.0°F (1980) | -9.9°F (1916) | 0.92 in (1996) |
| December 28 | 59.0°F (1980) | -4.0°F (1985) | 0.66 in (1945) |
| December 29 | 62.1°F (1917) | -6.0°F (1990) | 0.61 in (2005) |
| December 30 | 57.9°F (1917) | -16.1°F (1990) | 0.61 in (1924) |
| December 31 | 54.0°F (1980) | -11.9°F (1915) | 1.57 in (2005) |