Plainfield New Jersey Climate Data

Monthly Average Climate Data for Plainfield New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.3 °C4.3 °C92.2 mm
February-4.6 °C5.8 °C73.15 mm
March-0.7 °C10.3 °C107.95 mm
April5.1 °C17.2 °C99.31 mm
May10.4 °C22.7 °C102.36 mm
June15.5 °C27.6 °C115.57 mm
July18.4 °C30.3 °C124.97 mm
August17.6 °C29.3 °C114.05 mm
September13.6 °C25.6 °C110.24 mm
October7.1 °C18.8 °C108.97 mm
November1.7 °C12.8 °C87.12 mm
December-2.3 °C7.1 °C107.44 mm
Annual6.4 °C17.7 °C1243.33 mm

Climate Data for Plainfield 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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