December weather in Port Republic, NJ
The average temperature in Port Republic in December is 38.7°F (29.4°F–48.1°F). Average precipitation: 4.47 inches. Average snowfall is 3.2 inches.
December is a winter month in Port Republic, and is cooler than the annual average of 55.1°F. Daily temperatures swing about 18.7°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 13m. For travel, December is cool.
Avg High
48.1°F
Avg Low
29.4°F
Precipitation
4.47 in
Snow
3.2 in
December records in Port Republic
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 72.0°F (2001) | 6.1°F (1967) | 1.04 in (2019) |
| December 2 | 64.0°F (2018) | 7.0°F (1967) | 1.28 in (2025) |
| December 3 | 69.1°F (1998) | 6.1°F (1976) | 1.37 in (1967) |
| December 4 | 73.0°F (1998) | 6.1°F (1976) | 1.50 in (1968) |
| December 5 | 73.0°F (1982) | 10.9°F (1966) | 1.95 in (1993) |
| December 6 | 73.0°F (2001) | 14.0°F (1976) | 1.35 in (1962) |
| December 7 | 77.0°F (1998) | 10.0°F (1968) | 1.55 in (2011) |
| December 8 | 71.1°F (1966) | 10.9°F (1964) | 1.46 in (2012) |
| December 9 | 72.0°F (1966) | 6.1°F (1968) | 2.51 in (2009) |
| December 10 | 66.0°F (1966) | 0.0°F (1968) | 1.61 in (2023) |
| December 11 | 66.0°F (1971) | 5.0°F (1968) | 3.68 in (2008) |
| December 12 | 71.1°F (2015) | 5.0°F (1988) | 1.12 in (1964) |
| December 13 | 73.0°F (2015) | 3.9°F (1982) | 1.28 in (1996) |
| December 14 | 64.9°F (2015) | 1.9°F (1958) | 1.05 in (1999) |
| December 15 | 66.0°F (1971) | 8.1°F (1962) | 1.73 in (2022) |
| December 16 | 66.0°F (1971) | 8.1°F (1968) | 1.90 in (1974) |
| December 17 | 64.9°F (1984) | 9.0°F (1980) | 0.90 in (2016) |
| December 18 | 71.1°F (2006) | 7.0°F (1980) | 2.27 in (2023) |
| December 19 | 59.0°F (2017) | 6.1°F (1964) | 1.00 in (2009) |
| December 20 | 61.0°F (1999) | 1.9°F (1980) | 0.95 in (1966) |
| December 21 | 69.1°F (2013) | 1.9°F (1980) | 1.79 in (1973) |
| December 22 | 71.1°F (2013) | 1.9°F (1980) | 1.65 in (1983) |
| December 23 | 64.9°F (1990) | 1.0°F (1989) | 1.51 in (2007) |
| December 24 | 71.1°F (2015) | -0.9°F (1983) | 1.27 in (2003) |
| December 25 | 71.1°F (2015) | -2.0°F (1980) | 1.17 in (2005) |
| December 26 | 64.9°F (1973) | -2.0°F (1980) | 2.60 in (2012) |
| December 27 | 66.9°F (1973) | 6.1°F (1983) | 0.70 in (2011) |
| December 28 | 69.1°F (2008) | 9.0°F (1977) | 1.72 in (2018) |
| December 29 | 75.0°F (1984) | 6.3°F (2017) | 1.76 in (1997) |
| December 30 | 66.9°F (1990) | 7.0°F (1962) | 0.96 in (1969) |
| December 31 | 64.9°F (1965) | 3.9°F (1962) | 1.02 in (2022) |