December weather in Melba, ID
The average temperature in Melba in December is 33.7°F (25.7°F–41.7°F). Average precipitation: 0.93 inches.
December is a winter month in Melba, and is cooler than the annual average of 55.2°F. Daily temperatures swing about 16°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 8h 48m. For travel, December is cold.
Avg High
41.7°F
Avg Low
25.7°F
Precipitation
0.93 in
Daylight
8h 48m
December records in Melba
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.0°F (1995) | 12.9°F (2015) | 0.35 in (1964) |
| December 2 | 64.9°F (2012) | 10.0°F (2015) | 0.50 in (1991) |
| December 3 | 64.0°F (1941) | -0.9°F (1992) | 1.40 in (1994) |
| December 4 | 64.9°F (1978) | 9.0°F (1994) | 0.47 in (1938) |
| December 5 | 64.0°F (1975) | 1.0°F (1972) | 0.30 in (1978) |
| December 6 | 66.0°F (1981) | 1.9°F (1992) | 0.42 in (1950) |
| December 7 | 64.9°F (1987) | 9.0°F (1972) | 0.22 in (1945) |
| December 8 | 61.0°F (2015) | -2.0°F (1972) | 0.48 in (2007) |
| December 9 | 55.0°F (1939) | -9.9°F (1972) | 0.43 in (2004) |
| December 10 | 61.0°F (1987) | -14.1°F (1972) | 0.42 in (2016) |
| December 11 | 69.1°F (1939) | -15.0°F (1972) | 0.50 in (1956) |
| December 12 | 62.1°F (1995) | -5.1°F (1972) | 0.37 in (2022) |
| December 13 | 64.0°F (1995) | -2.0°F (1972) | 0.31 in (2003) |
| December 14 | 57.9°F (1969) | -2.0°F (1972) | 0.28 in (1983) |
| December 15 | 62.1°F (1977) | -6.0°F (1972) | 0.32 in (1981) |
| December 16 | 59.0°F (1957) | 5.0°F (1985) | 0.25 in (2009) |
| December 17 | 66.9°F (1939) | 0.0°F (1964) | 0.27 in (1937) |
| December 18 | 55.9°F (1979) | 3.9°F (2016) | 0.40 in (1991) |
| December 19 | 57.9°F (2025) | -2.9°F (1984) | 0.38 in (1981) |
| December 20 | 63.0°F (2025) | -0.9°F (1984) | 0.25 in (1981) |
| December 21 | 61.0°F (1957) | -9.0°F (1990) | 0.86 in (2014) |
| December 22 | 69.1°F (1964) | -20.9°F (1990) | 0.68 in (2014) |
| December 23 | 66.0°F (1964) | -20.0°F (1990) | 0.93 in (1955) |
| December 24 | 57.9°F (1964) | -32.1°F (1990) | 0.44 in (2008) |
| December 25 | 59.0°F (2025) | -11.9°F (1990) | 0.62 in (1980) |
| December 26 | 60.1°F (2025) | -2.0°F (1990) | 0.27 in (1996) |
| December 27 | 57.0°F (1955) | -9.0°F (1990) | 0.22 in (2024) |
| December 28 | 60.1°F (2022) | 0.0°F (1985) | 0.50 in (2024) |
| December 29 | 64.0°F (2008) | -0.9°F (1990) | 0.32 in (2005) |
| December 30 | 66.0°F (1945) | -13.0°F (1990) | 0.33 in (1951) |
| December 31 | 59.0°F (1945) | 1.0°F (1985) | 0.50 in (2002) |