Average Annual Precipitation for New Jersey

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

Each place has a total for the amount of precipitation it usually receives in a year. Most locations 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 annual 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 yearly precipitation
Days Place Inches Millimetres
125 Hightstown 46.8 1188
121 Lambertville 49.3 1252
108 Long Branch 48.7 1236
122 Newark 46.3 1175
122 New Brunswick 48.9 1243
115 Plainfield 49.0 1245
123 Somerville 47.8 1213
  – Trenton 46.4 1180
108 Wanaque Reservoir Dam 48.5 1232

South Jersey

Annual averages for rainfall plus snowfall
Days Place Inches Millimetres
110 Atlantic City Marina 40.0 1016
109 Beach Haven, Brant Beach 39.5 1003
105 Belleplain State Forest 45.1 1146
117 Cape May 41.9 1064
102 Glassboro 46.1 1171
110 Millville 41.6 1056
126 Moorestown 48.2 1225
105 Toms River 49.1 1247
Reference

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

Average Weather

New Jersey Precipitation

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