Union City New Jersey Climate Data

Monthly Average Climate Data for Union City New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.9 °C4 °C90.17 mm
February-2.2 °C5.4 °C71.37 mm
March1.4 °C9.5 °C108.2 mm
April7.1 °C16.1 °C103.38 mm
May12.3 °C21.6 °C98.3 mm
June17.7 °C26.8 °C110.74 mm
July21.2 °C29.6 °C111.25 mm
August20.3 °C28.6 °C112.01 mm
September16.7 °C24.9 °C102.62 mm
October10.4 °C18.4 °C104.39 mm
November4.7 °C12.3 °C86.61 mm
December0.4 °C6.9 °C105.16 mm
Annual8.9 °C17 °C1204.2 mm

Climate Data for Union City New Jersey

Average First Frost DateNov. 11 - Nov. 20
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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