National Park New Jersey Climate Data

Monthly Average Climate Data for National Park New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January27.3 °F41.7 °F3.51 in.
February28.7 °F44.3 °F2.78 in.
March35.4 °F52.1 °F4.37 in.
April45.7 °F64.4 °F3.5 in.
May55.1 °F73.9 °F3.75 in.
June64.6 °F83.2 °F4.21 in.
July70.1 °F87.7 °F4.59 in.
August68.7 °F85.7 °F4.74 in.
September62.1 °F79.0 °F4.1 in.
October50.3 °F67.1 °F3.81 in.
November40.0 °F56.1 °F3.04 in.
December32.5 °F46.5 °F4.18 in.
Annual48.4 °F65.1 °F46.58 in.

Climate Data for National Park New Jersey

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate