December weather in Port Chester, NY
The average temperature in Port Chester in December is 35.1°F (28.0°F–42.3°F). Average precipitation: 4.18 inches.
December is a winter month in Port Chester, and is cooler than the annual average of 52°F. Daily temperatures swing about 14.3°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 4m. For travel, December is cold.
Avg High
42.3°F
Avg Low
28.0°F
Precipitation
4.18 in
Daylight
9h 4m
December records in Port Chester
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (2001) | 10.0°F (1976) | 1.49 in (1981) |
| December 2 | 64.9°F (1962) | 10.9°F (1967) | 2.06 in (1996) |
| December 3 | 66.0°F (1998) | 7.0°F (1976) | 2.78 in (1967) |
| December 4 | 72.0°F (1998) | 10.0°F (1966) | 2.83 in (1968) |
| December 5 | 68.0°F (2001) | 14.0°F (1966) | 2.42 in (1993) |
| December 6 | 70.0°F (2001) | 4.1°F (2018) | 1.14 in (1984) |
| December 7 | 75.0°F (1998) | 14.0°F (1954) | 1.55 in (2011) |
| December 8 | 61.0°F (1980) | 12.0°F (1976) | 1.44 in (1996) |
| December 9 | 63.0°F (1966) | 10.0°F (1976) | 2.55 in (2014) |
| December 10 | 61.0°F (1966) | 6.1°F (1968) | 1.40 in (1969) |
| December 11 | 64.0°F (2021) | 3.0°F (1958) | 2.36 in (1992) |
| December 12 | 64.9°F (2015) | 1.9°F (1988) | 1.90 in (1959) |
| December 13 | 64.9°F (2015) | 7.0°F (1960) | 2.13 in (1983) |
| December 14 | 61.0°F (2015) | 6.1°F (1976) | 1.52 in (1956) |
| December 15 | 62.1°F (2015) | 9.0°F (1960) | 1.35 in (1981) |
| December 16 | 60.1°F (2021) | 9.0°F (1961) | 2.05 in (2005) |
| December 17 | 62.1°F (1971) | 10.9°F (1980) | 1.29 in (1973) |
| December 18 | 63.0°F (2023) | 10.9°F (1980) | 2.64 in (2023) |
| December 19 | 57.0°F (2025) | 10.0°F (1989) | 1.02 in (1948) |
| December 20 | 59.0°F (1957) | 3.9°F (1955) | 1.92 in (1957) |
| December 21 | 77.0°F (2019) | -2.9°F (1955) | 2.53 in (2018) |
| December 22 | 68.0°F (2013) | 5.0°F (1958) | 2.23 in (1983) |
| December 23 | 66.0°F (2019) | 3.0°F (1989) | 1.51 in (2015) |
| December 24 | 69.1°F (2015) | 1.9°F (1975) | 1.64 in (2003) |
| December 25 | 64.0°F (2015) | -5.1°F (1980) | 1.51 in (1986) |
| December 26 | 61.0°F (1982) | -2.0°F (1980) | 2.02 in (1975) |
| December 27 | 60.1°F (1973) | 5.0°F (1989) | 1.38 in (1947) |
| December 28 | 63.0°F (2008) | 3.0°F (1960) | 1.57 in (2023) |
| December 29 | 68.0°F (1984) | 7.0°F (1993) | 1.87 in (1966) |
| December 30 | 66.0°F (1984) | 5.0°F (1987) | 1.24 in (1997) |
| December 31 | 57.0°F (1992) | -2.9°F (1962) | 1.82 in (1948) |