Dover New Jersey Climate Data

Monthly Average Climate Data for Dover New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.4 °C2.8 °C95 mm
February-5.9 °C4.1 °C79.25 mm
March-1.8 °C8.8 °C110.24 mm
April4.3 °C15.9 °C99.31 mm
May9.7 °C21.4 °C101.09 mm
June14.9 °C26.2 °C140.72 mm
July17.6 °C29.3 °C114.3 mm
August16.8 °C28.2 °C120.4 mm
September12.6 °C24.3 °C122.94 mm
October6.2 °C17.7 °C111.76 mm
November1 °C11.3 °C89.92 mm
December-3.1 °C5.6 °C115.57 mm
Annual5.5 °C16.3 °C1300.5 mm

Climate Data for Dover New Jersey

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°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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