Pennington New Jersey Climate Data

Monthly Average Climate Data for Pennington New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.1 °C4.2 °C90.68 mm
February-4.4 °C5.7 °C72.14 mm
March-0.4 °C10.2 °C107.44 mm
April5.1 °C16.8 °C95.25 mm
May10.7 °C22.2 °C105.66 mm
June15.7 °C27.2 °C115.32 mm
July18.6 °C29.9 °C128.02 mm
August17.7 °C28.8 °C114.81 mm
September13.7 °C25.3 °C104.9 mm
October7.2 °C18.6 °C103.63 mm
November1.6 °C12.7 °C87.38 mm
December-2.4 °C7 °C113.03 mm
Annual6.5 °C17.4 °C1238.26 mm

Climate Data for Pennington New Jersey

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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