December weather in New Plymouth, ID
The average temperature in New Plymouth in December is 29.3°F (22.3°F–36.3°F). Average precipitation: 1.58 inches.
December is a winter month in New Plymouth, and is cooler than the annual average of 51.6°F. Daily temperatures swing about 14°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 8h 43m. For travel, December is cold.
Avg High
36.3°F
Avg Low
22.3°F
Precipitation
1.58 in
Daylight
8h 43m
December records in New Plymouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1995) | 9.0°F (1969) | 0.75 in (1992) |
| December 2 | 57.9°F (1977) | 9.0°F (1976) | 0.83 in (2010) |
| December 3 | 60.1°F (1977) | -0.9°F (1992) | 0.37 in (1951) |
| December 4 | 57.0°F (1975) | -4.0°F (1992) | 0.74 in (1996) |
| December 5 | 60.1°F (2007) | -11.0°F (1992) | 0.24 in (1971) |
| December 6 | 63.0°F (1987) | -5.1°F (1992) | 0.55 in (1982) |
| December 7 | 53.1°F (1952) | 0.0°F (1972) | 0.44 in (1983) |
| December 8 | 54.0°F (1993) | 0.0°F (2005) | 0.26 in (1953) |
| December 9 | 52.0°F (1993) | -18.0°F (1972) | 0.56 in (1964) |
| December 10 | 54.0°F (1993) | -23.1°F (1972) | 0.30 in (1996) |
| December 11 | 64.9°F (1995) | -20.9°F (1972) | 0.50 in (2001) |
| December 12 | 64.9°F (1995) | -4.0°F (1985) | 0.50 in (2009) |
| December 13 | 55.9°F (1956) | -13.0°F (1972) | 0.60 in (1994) |
| December 14 | 57.0°F (2002) | -13.0°F (1972) | 0.40 in (2006) |
| December 15 | 57.9°F (2002) | -15.0°F (1972) | 1.08 in (1977) |
| December 16 | 54.0°F (2002) | -5.1°F (1985) | 0.62 in (1995) |
| December 17 | 54.0°F (2002) | -11.0°F (1964) | 0.50 in (1972) |
| December 18 | 54.0°F (1973) | -8.0°F (1945) | 0.39 in (1960) |
| December 19 | 48.0°F (1960) | -5.1°F (1985) | 0.99 in (1981) |
| December 20 | 55.0°F (1955) | -7.1°F (1990) | 0.59 in (2010) |
| December 21 | 59.0°F (1957) | -20.0°F (1990) | 0.48 in (1945) |
| December 22 | 66.0°F (1955) | -20.0°F (1990) | 0.31 in (2008) |
| December 23 | 59.0°F (1955) | -13.0°F (1990) | 0.69 in (1955) |
| December 24 | 59.0°F (1964) | -14.1°F (1990) | 1.40 in (1968) |
| December 25 | 51.1°F (1964) | -7.1°F (1985) | 0.86 in (1980) |
| December 26 | 55.0°F (1955) | -8.0°F (1985) | 0.75 in (2006) |
| December 27 | 53.1°F (1955) | -9.0°F (1985) | 0.63 in (1945) |
| December 28 | 60.1°F (1965) | -8.0°F (1985) | 0.56 in (2010) |
| December 29 | 55.9°F (1996) | -11.9°F (1990) | 0.58 in (1988) |
| December 30 | 54.0°F (2008) | -11.9°F (1985) | 0.88 in (1983) |
| December 31 | 60.1°F (1996) | -2.9°F (1974) | 0.57 in (2002) |