Glen Gardner New Jersey Climate Data

Monthly Average Climate Data for Glen Gardner New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.7 °C2.9 °C93.73 mm
February-6 °C4.4 °C76.2 mm
March-2.2 °C9.1 °C104.39 mm
April3.7 °C16.2 °C104.9 mm
May9.3 °C21.6 °C109.22 mm
June14.3 °C26.3 °C126.24 mm
July17 °C28.9 °C131.32 mm
August16.2 °C27.9 °C123.95 mm
September12.2 °C24.2 °C120.9 mm
October5.8 °C17.8 °C116.08 mm
November0.3 °C11.5 °C90.42 mm
December-3.7 °C5.7 °C114.81 mm
Annual5 °C16.4 °C1312.16 mm

Climate Data for Glen Gardner New Jersey

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com