Milltown New Jersey Climate Data

Monthly Average Climate Data for Milltown New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.1 °C4.5 °C92.71 mm
February-4.3 °C6 °C71.88 mm
March-0.4 °C10.3 °C107.7 mm
April5.1 °C17.1 °C97.79 mm
May10.3 °C22.6 °C102.87 mm
June15.4 °C27.6 °C115.82 mm
July18.5 °C30.3 °C123.95 mm
August17.6 °C29.1 °C116.84 mm
September13.6 °C25.6 °C106.93 mm
October7.2 °C18.8 °C104.39 mm
November1.7 °C13 °C86.11 mm
December-2.2 °C7.3 °C109.98 mm
Annual6.5 °C17.7 °C1236.97 mm

Climate Data for Milltown 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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