Sussex New Jersey Climate Data

Monthly Average Climate Data for Sussex New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.4 °C2 °C82.55 mm
February-7.7 °C3.8 °C69.09 mm
March-3.4 °C8.5 °C98.04 mm
April2.4 °C15.8 °C97.54 mm
May8.2 °C21.7 °C87.63 mm
June13.3 °C26.1 °C118.11 mm
July15.9 °C28.8 °C102.62 mm
August15 °C27.7 °C112.78 mm
September10.9 °C24.1 °C105.16 mm
October4.6 °C17.4 °C110.49 mm
November-1.1 °C10.8 °C84.07 mm
December-5 °C4.8 °C101.35 mm
Annual3.7 °C16 °C1169.43 mm

Climate Data for Sussex New Jersey

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 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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