Average Precipitation for New Jersey in December





The tables below give monthly averages for rainfall plus snowfall during December at cities and other locations in New Jersey.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation totals are averages based on weather data collected from 1991 to 2020 for the NOAA National Climatic Data Center.

You can jump to a separate table for: North Jersey and South Jersey.

North Jersey

Average monthly precipitation in December
Days Place Inches Milli­metres
11 Hightstown 4.2 107
11 Lambertville 4.6 117
10 Long Branch 4.8 121
10 New Brunswick 4.5 114
11 Newark 4.1 105
10 Plainfield 4.2 106
11 Somerville 4.4 112
11 Trenton 4.0 103
10 Wanaque Reservoir Dam 4.1 103

South Jersey

December averages for total rainfall plus snowfall
Days Place Inches Milli­metres
11 Atlantic City Marina 4.2 106
9 Beach Haven, Brant Beach 3.9 99
10 Bridgeton 4.4 112
11 Cape May 4.0 102
11 Hammonton 4.6 116
10 Millville 4.0 100
12 Moorestown 4.6 116
9 Toms River 5.8 148
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

New Jersey Precipitation
Back to Top