Harlingen New Jersey Climate Data

Monthly Average Climate Data for Harlingen New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.3 °C4.3 °C92.71 mm
February-4.6 °C5.8 °C72.39 mm
March-0.7 °C10.3 °C108.97 mm
April4.8 °C17.1 °C100.08 mm
May10.2 °C22.4 °C103.12 mm
June15.3 °C27.4 °C115.57 mm
July18.4 °C30.2 °C128.27 mm
August17.5 °C29 °C115.82 mm
September13.4 °C25.4 °C107.19 mm
October7 °C18.7 °C106.68 mm
November1.3 °C12.8 °C87.38 mm
December-2.5 °C7.1 °C112.27 mm
Annual6.2 °C17.5 °C1250.45 mm

Climate Data for Harlingen New Jersey

Average First Frost DateOct. 21 - Oct. 31
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 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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