Califon New Jersey Climate Data

Monthly Average Climate Data for Califon New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.6 °C2.8 °C95 mm
February-5.9 °C4.2 °C77.22 mm
March-2.2 °C8.8 °C108.46 mm
April3.8 °C15.9 °C105.92 mm
May9.3 °C21.2 °C110.74 mm
June14.6 °C25.9 °C129.54 mm
July17 °C28.4 °C131.57 mm
August16.3 °C27.4 °C124.97 mm
September12.2 °C23.7 °C124.46 mm
October5.9 °C17.4 °C114.55 mm
November0.6 °C11.2 °C92.96 mm
December-3.4 °C5.4 °C118.62 mm
Annual5.1 °C16 °C1334.01 mm

Climate Data for Califon 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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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