Average Annual Temperatures in New Jersey





Average annual temperatures for cities, communities and other locations in New Jersey are listed below in degrees Fahrenheit and Celsius.

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

The tables give the normals for maximum and minimum yearly temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

North Jersey

Average annual temperatures
High °F Low °F Place High °C Low °C
62 42 Easton 17 6
64 42 Hightstown 18 5
65 41 Lambertville 19 5
62 45 Long Branch 17 7
64 44 New Brunswick 18 6
64 47 Newark 18 8
65 44 Plainfield 19 7
63 40 Somerville 17 4
63 45 Trenton 17 7
62 42 Wanaque Reservoir Dam 16 6

South Jersey

Average temperatures for the year
High °F Low °F Place High °C Low °C
61 50 Atlantic City Marina 16 10
62 48 Beach Haven, Brant Beach 17 9
68 44 Belleplain State Forest 20 6
64 46 Bridgeton 18 8
65 48 Cape May 18 9
65 45 Glassboro 18 7
65 44 Hammonton 18 7
65 44 Millville 18 7
66 46 Moorestown 19 8
64 42 Toms River 18 5
Reference

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

New Jersey Temperatures
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