Average Precipitation for New Jersey in January





The tables below give monthly averages for rainfall plus snowfall during January at cities, towns and parks in New Jersey.

Each place has a total for the amount of precipitation it usually receives this month. Most sites also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation totals are averages based on weather data collected from 1981 to 2010 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 January
Days Place Inches Milli­metres
10 Hightstown 3.3 84
10 Lambertville 3.4 87
9 Long Branch 4.2 107
10 Newark 3.5 90
11 New Brunswick 3.6 92
10 Plainfield 3.6 92
11 Somerville 3.6 91
Trenton 3.2 80
9 Wanaque Reservoir Dam 3.1 79

South Jersey

January averages for total rainfall plus snowfall
Days Place Inches Milli­metres
9 Atlantic City Marina 3.1 78
10 Beach Haven, Brant Beach 3.3 83
9 Belleplain State Forest 3.5 88
10 Cape May 3.3 84
9 Glassboro 3.5 89
9 Millville 3.1 77
11 Moorestown 3.6 92
9 Toms River 3.9 100
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

New Jersey Precipitation
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