Penns Grove New Jersey Climate Data

Monthly Average Climate Data for Penns Grove New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.4 °C4.8 °C89.66 mm
February-2.7 °C6.1 °C74.17 mm
March1.1 °C10.3 °C110.24 mm
April6.9 °C17.1 °C95 mm
May12.3 °C22.3 °C95 mm
June17.7 °C27.4 °C114.81 mm
July20.7 °C29.8 °C120.9 mm
August19.8 °C28.9 °C109.73 mm
September15.9 °C25.5 °C106.68 mm
October9.1 °C18.9 °C96.01 mm
November3.4 °C12.9 °C75.95 mm
December-0.7 °C7.6 °C104.65 mm
Annual8.3 °C17.6 °C1192.8 mm

Climate Data for Penns Grove New Jersey

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate