Rumson New Jersey Climate Data

Monthly Average Climate Data for Rumson New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.0 °F40.2 °F3.72 in.
February27.4 °F42.1 °F2.82 in.
March33.8 °F48.4 °F4.16 in.
April43.4 °F58.9 °F3.91 in.
May52.7 °F68.1 °F3.64 in.
June62.4 °F77.7 °F4.36 in.
July68.7 °F83.0 °F4.12 in.
August67.8 °F81.5 °F4.87 in.
September61.4 °F75.6 °F3.83 in.
October49.8 °F64.9 °F4.29 in.
November39.8 °F54.6 °F3.12 in.
December31.7 °F45.9 °F4.34 in.
Annual47.1 °F61.7 °F47.18 in.

Climate Data for Rumson 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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation