Whippany New Jersey Climate Data

Monthly Average Climate Data for Whippany New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.4 °F38.6 °F3.68 in.
February22.6 °F41.1 °F2.79 in.
March29.8 °F49.4 °F4.18 in.
April40.3 °F61.7 °F4.04 in.
May50.1 °F71.8 °F4.09 in.
June59.3 °F80.6 °F4.83 in.
July64.4 °F85.7 °F4.48 in.
August62.5 °F83.9 °F4.56 in.
September55.4 °F77.1 °F4.31 in.
October43.4 °F65.0 °F4.43 in.
November34.0 °F53.7 °F3.57 in.
December27.0 °F43.5 °F4.27 in.
Annual42.5 °F62.7 °F49.23 in.

Climate Data for Whippany New Jersey

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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