December weather in Sea Isle City, NJ
The average temperature in Sea Isle City in December is 39.1°F (27.7°F–50.5°F). Average precipitation: inches.
December is a winter month in Sea Isle City, and is cooler than the annual average of 55.7°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Daylight averages about 9h 16m. For travel, December is cool.
Avg High
50.5°F
Avg Low
27.7°F
Precipitation
in
Daylight
9h 16m
December records in Sea Isle City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.0°F (2001) | 7.0°F (1929) | 0.77 in (1977) |
| December 2 | 66.0°F (1970) | 7.0°F (1967) | 1.00 in (1929) |
| December 3 | 68.0°F (1932) | 6.1°F (1926) | 1.44 in (1967) |
| December 4 | 75.9°F (1998) | 1.9°F (1940) | 2.35 in (1948) |
| December 5 | 73.0°F (1982) | 9.0°F (1966) | 2.30 in (1993) |
| December 6 | 73.9°F (1982) | 10.0°F (1940) | 1.30 in (1962) |
| December 7 | 78.1°F (1998) | 3.9°F (1926) | 2.76 in (1971) |
| December 8 | 72.0°F (1998) | 9.0°F (1970) | 1.24 in (1974) |
| December 9 | 72.0°F (1966) | 7.0°F (1934) | 1.81 in (1972) |
| December 10 | 73.0°F (1966) | 6.1°F (1927) | 1.04 in (1991) |
| December 11 | 72.0°F (1994) | 3.9°F (1968) | 1.60 in (1992) |
| December 12 | 64.9°F (1964) | 3.0°F (1977) | 1.05 in (1964) |
| December 13 | 66.0°F (1923) | 3.9°F (1988) | 1.00 in (1941) |
| December 14 | 66.0°F (1929) | -2.0°F (1958) | 1.50 in (1954) |
| December 15 | 66.9°F (1929) | 1.0°F (1962) | 1.61 in (1981) |
| December 16 | 66.9°F (1971) | 3.0°F (1958) | 1.53 in (1974) |
| December 17 | 64.9°F (2000) | -2.9°F (1930) | 1.42 in (1970) |
| December 18 | 70.0°F (1984) | 1.0°F (1945) | 1.20 in (1951) |
| December 19 | 66.9°F (1929) | -2.9°F (1932) | 1.46 in (1934) |
| December 20 | 61.0°F (1937) | 1.0°F (1942) | 1.88 in (1936) |
| December 21 | 64.9°F (1973) | 0.0°F (1932) | 2.50 in (1951) |
| December 22 | 66.0°F (1949) | 0.0°F (1945) | 1.36 in (1931) |
| December 23 | 66.0°F (1949) | -0.9°F (1989) | 1.02 in (1942) |
| December 24 | 63.0°F (1996) | 1.0°F (1943) | 0.90 in (2003) |
| December 25 | 66.9°F (1964) | 1.9°F (1930) | 1.80 in (1986) |
| December 26 | 68.0°F (1973) | -9.0°F (1980) | 2.55 in (1969) |
| December 27 | 64.9°F (1936) | 1.0°F (1924) | 1.04 in (1922) |
| December 28 | 68.0°F (1946) | 3.0°F (1924) | 1.42 in (1922) |
| December 29 | 69.1°F (1984) | -2.0°F (1935) | 1.44 in (1966) |
| December 30 | 64.0°F (1990) | 1.9°F (1933) | 0.93 in (1942) |
| December 31 | 63.0°F (1992) | 1.9°F (1962) | 1.07 in (1948) |