Griggstown New Jersey Climate Data

Monthly Average Climate Data for Griggstown New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.5 °F39.8 °F3.68 in.
February23.9 °F42.4 °F2.86 in.
March31.1 °F50.5 °F4.35 in.
April41.0 °F62.9 °F3.96 in.
May50.6 °F72.6 °F4.05 in.
June59.7 °F81.5 °F4.56 in.
July65.2 °F86.5 °F5.03 in.
August63.6 °F84.4 °F4.55 in.
September56.3 °F78.0 °F4.21 in.
October44.8 °F65.9 °F4.21 in.
November34.5 °F55.1 °F3.47 in.
December27.7 °F44.8 °F4.45 in.
Annual43.4 °F63.7 °F49.38 in.

Climate Data for Griggstown 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 : 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