Monmouth Junction New Jersey Climate Data

Monthly Average Climate Data for Monmouth Junction New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.9 °C4.4 °C91.19 mm
February-4.2 °C5.9 °C70.61 mm
March-0.3 °C10.3 °C113.03 mm
April5.2 °C17.2 °C99.82 mm
May10.5 °C22.6 °C103.38 mm
June15.5 °C27.6 °C117.35 mm
July18.6 °C30.3 °C127.76 mm
August17.7 °C29.2 °C114.81 mm
September13.6 °C25.6 °C107.19 mm
October7.2 °C18.9 °C105.16 mm
November1.7 °C12.9 °C88.65 mm
December-2.2 °C7.3 °C114.3 mm
Annual6.5 °C17.7 °C1253.25 mm

Climate Data for Monmouth Junction 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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