Cranbury New Jersey Climate Data

Monthly Average Climate Data for Cranbury New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.4 °F40.2 °F3.52 in.
February24.9 °F42.8 °F2.64 in.
March31.8 °F50.5 °F4.34 in.
April41.7 °F62.7 °F3.78 in.
May51.3 °F72.4 °F3.96 in.
June60.4 °F81.5 °F4.62 in.
July65.9 °F86.3 °F4.87 in.
August64.1 °F84.4 °F4.56 in.
September56.9 °F78.1 °F4.21 in.
October45.3 °F66.0 °F3.9 in.
November35.5 °F55.4 °F3.33 in.
December28.3 °F45.2 °F4.32 in.
Annual44.1 °F63.8 °F48.05 in.

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 : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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