December weather in Hewlett Bay Park, NY
The average temperature in Hewlett Bay Park in December is 38.3°F (32.0°F–44.5°F). Average precipitation: 3.96 inches. Average snowfall is 4.5 inches.
December is a winter month in Hewlett Bay Park, and is cooler than the annual average of 54.3°F. Daily temperatures swing about 12.5°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 6m. For travel, December is cold.
Avg High
44.5°F
Avg Low
32.0°F
Precipitation
3.96 in
Snow
4.5 in
December records in Hewlett Bay Park
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (1962) | 18.0°F (1967) | 0.97 in (2010) |
| December 2 | 62.1°F (1998) | 17.1°F (1976) | 1.75 in (1974) |
| December 3 | 66.0°F (1998) | 10.9°F (1976) | 1.46 in (1967) |
| December 4 | 70.0°F (1982) | 15.1°F (1966) | 2.05 in (1968) |
| December 5 | 64.9°F (2001) | 19.9°F (1966) | 1.13 in (2020) |
| December 6 | 70.0°F (2001) | 19.0°F (1954) | 1.24 in (2014) |
| December 7 | 75.0°F (1998) | 18.0°F (1954) | 1.79 in (1996) |
| December 8 | 63.0°F (1951) | 16.0°F (1976) | 1.12 in (1969) |
| December 9 | 64.0°F (1991) | 14.0°F (1968) | 3.04 in (2014) |
| December 10 | 59.0°F (2015) | 9.0°F (1968) | 2.38 in (2023) |
| December 11 | 66.9°F (1971) | 12.9°F (1977) | 2.55 in (1992) |
| December 12 | 64.0°F (2015) | 7.0°F (1988) | 1.17 in (2008) |
| December 13 | 70.0°F (2015) | 8.1°F (1960) | 1.42 in (1965) |
| December 14 | 61.0°F (2015) | 12.0°F (1976) | 1.62 in (2019) |
| December 15 | 64.0°F (2015) | 15.1°F (1962) | 1.13 in (1981) |
| December 16 | 64.9°F (1971) | 12.9°F (1951) | 2.46 in (1974) |
| December 17 | 61.0°F (2021) | 9.0°F (1951) | 1.17 in (2015) |
| December 18 | 64.0°F (1984) | 16.0°F (1953) | 1.47 in (2023) |
| December 19 | 57.0°F (2025) | 14.0°F (1991) | 1.61 in (1948) |
| December 20 | 57.0°F (1957) | 8.1°F (1955) | 0.57 in (2002) |
| December 21 | 59.0°F (2011) | 7.0°F (1955) | 1.73 in (2018) |
| December 22 | 64.0°F (2013) | 9.0°F (1989) | 1.80 in (1983) |
| December 23 | 63.0°F (2015) | 8.1°F (1989) | 1.16 in (2015) |
| December 24 | 69.1°F (2015) | 5.0°F (1983) | 1.05 in (2014) |
| December 25 | 64.0°F (2015) | 1.9°F (1983) | 1.52 in (1986) |
| December 26 | 64.9°F (1982) | 5.0°F (1983) | 1.53 in (1969) |
| December 27 | 63.0°F (2015) | 8.1°F (1948) | 0.81 in (1964) |
| December 28 | 64.0°F (2008) | 11.1°F (2017) | 1.55 in (2023) |
| December 29 | 64.9°F (1984) | 12.2°F (2017) | 1.20 in (1966) |
| December 30 | 64.0°F (1984) | 5.0°F (1962) | 0.94 in (1948) |
| December 31 | 55.9°F (1965) | 5.0°F (1962) | 1.92 in (1948) |