Cranbury New Jersey Climate Data

Monthly Average Climate Data for Cranbury New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.8 °C4.6 °C89.41 mm
February-3.9 °C6 °C67.06 mm
March-0.1 °C10.3 °C110.24 mm
April5.4 °C17.1 °C96.01 mm
May10.7 °C22.4 °C100.58 mm
June15.8 °C27.5 °C117.35 mm
July18.8 °C30.2 °C123.7 mm
August17.8 °C29.1 °C115.82 mm
September13.8 °C25.6 °C106.93 mm
October7.4 °C18.9 °C99.06 mm
November1.9 °C13 °C84.58 mm
December-2.1 °C7.3 °C109.73 mm
Annual6.7 °C17.7 °C1220.47 mm

Climate Data for Cranbury New Jersey

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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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