Helmetta New Jersey Climate Data

Monthly Average Climate Data for Helmetta New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.7 °C4.5 °C91.95 mm
February-3.9 °C6 °C70.87 mm
March-0.1 °C10.4 °C109.22 mm
April5.4 °C17.2 °C97.54 mm
May10.8 °C22.7 °C101.35 mm
June15.7 °C27.7 °C115.82 mm
July18.8 °C30.4 °C123.95 mm
August17.9 °C29.2 °C115.57 mm
September13.9 °C25.7 °C106.68 mm
October7.6 °C18.9 °C104.14 mm
November1.9 °C13.1 °C86.36 mm
December-2 °C7.4 °C111 mm
Annual6.8 °C17.8 °C1234.45 mm

Climate Data for Helmetta 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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