Rahway New Jersey Climate Data

Monthly Average Climate Data for Rahway New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.1 °C4.7 °C88.9 mm
February-3.3 °C6.2 °C72.14 mm
March0.4 °C10.7 °C105.41 mm
April6.1 °C17.4 °C98.3 mm
May11.4 °C22.8 °C100.58 mm
June16.7 °C27.8 °C115.82 mm
July19.8 °C30.6 °C126.49 mm
August18.9 °C29.5 °C114.3 mm
September15.1 °C25.8 °C106.93 mm
October8.6 °C19.2 °C109.47 mm
November3.2 °C13.1 °C85.09 mm
December-0.9 °C7.4 °C103.63 mm
Annual7.7 °C17.9 °C1227.06 mm

Climate Data for Rahway New Jersey

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°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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