New Jersey December Weather

New Jersey weather averages and all-time records in the month of December from 1991–2020 based on data made available by the NOAA.
State:
Month:
Statewide December Averages
High temperature 45.0 °F
Low temperature 28.2 °F
Precipitation 4.3 inches
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New Jersey Cities
December weather averages for various places in New Jersey, from 1991–2020.
City Average (°F) Record (°F) Monthly (inches)
High Low High Low Precipitation Snow
Atlantic City 47.8 29.2 77 -7 4.5 3.1
Boonton 43.1 27.1 77 -21 4.1 4.1
Cape May 48.1 33.0 76 5 4.0 2.1
Flemington 42.8 26.2 75 -14 4.6 4.6
Hightstown 45.5 27.6 76 -12 4.2 4.2
Millville 47.0 27.9 77 2 3.9 n/a
New Brunswick 45.4 28.1 76 -15 4.5 4.9
Newark 45.1 31.3 76 -13 4.1 5.6
Trenton 44.7 29.0 76 -8 4.1 4.2