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New Jersey Weather Records

Weather averages and records for the U.S. state of New Jersey based on data made available by the NOAA.
New Jersey Statewide Averages
Average temperatures and precipitation over the entire territory of the state, from 1991–2020.
Month High (°F) Low (°F) Precipitation (in)
January 40.3 23.2 3.5
February 43.1 24.6 2.9
March 50.9 31.2 4.2
April 62.7 40.3 3.7
May 72.3 50.2 3.8
June 81.0 59.6 4.3
July 85.7 65.1 4.7
August 83.8 63.3 4.6
September 77.2 56.6 4.2
October 65.8 44.9 4.2
November 54.7 35.5 3.4
December 45.0 28.2 4.3
Entire Year 63.6 43.6 47.6
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New Jersey Average Temperature by Year
New Jersey Cities
Yearly weather averages for various places in New Jersey, from 1991–2020.
City Average (°F) Record (°F) Yearly (inches)
High Low High Low Precipitation Snow
Atlantic City 64.9 45.0 106 -11 45.9 17.2
Boonton 62.5 42.2 104 -21 47.7 23.2
Cape May 64.6 48.0 102 -2 43.9 14.9
Flemington 62.8 41.5 108 -18 49.7 28.1
Hightstown 64.2 42.7 105 -16 47.4 23.7
Millville 65.2 44.4 103 -10 42.4 n/a
New Brunswick 64.0 43.5 106 -16 49.5 28.6
Newark 64.2 47.5 108 -13 46.6 31.8
Trenton 63.8 44.8 106 -16 46.1 n/a