Average Rainfall for New Jersey in August

The tables below give monthly averages for rainfall during August 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 rainfall 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 August
Days Place Inches Milli­metres
10 Hightstown 4.3 109
9 Lambertville 4.7 119
9 Long Branch 6.3 159
10 New Brunswick 4.7 118
10 Newark 4.2 105
10 Plainfield 4.0 101
10 Somerville 3.7 95
10 Trenton 4.2 107
10 Wanaque Reservoir Dam 4.6 116

South Jersey

August averages for total rainfall
Days Place Inches Milli­metres
8 Atlantic City Marina 4.1 105
9 Beach Haven, Brant Beach 4.9 124
9 Bridgeton 4.9 125
9 Cape May 4.0 102
11 Hammonton 4.7 119
9 Millville 4.6 117
10 Moorestown 4.6 117
8 Toms River 5.0 128
Reference

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

New Jersey Precipitation
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