Frenchtown New Jersey Climate Data

Monthly Average Climate Data for Frenchtown New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.8 °C4.1 °C90.68 mm
February-5.1 °C5.6 °C75.95 mm
March-1.2 °C10.3 °C105.92 mm
April4.2 °C17.3 °C100.84 mm
May9.8 °C22.6 °C107.44 mm
June15.2 °C27.6 °C117.86 mm
July17.9 °C30.2 °C129.79 mm
August16.8 °C29.1 °C116.33 mm
September12.7 °C25.5 °C116.33 mm
October6.5 °C18.9 °C111 mm
November1.1 °C12.6 °C86.61 mm
December-2.8 °C6.8 °C112.01 mm
Annual5.8 °C17.6 °C1270.76 mm

Climate Data for Frenchtown New Jersey

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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