Dover Delaware Climate Data

Monthly Average Climate Data for Dover Delaware

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.5 °C6.2 °C86.36 mm
February-2.9 °C7.4 °C76.45 mm
March1.1 °C11.6 °C105.92 mm
April6.7 °C17.8 °C91.69 mm
May11.9 °C22.7 °C97.54 mm
June17.2 °C27.6 °C106.68 mm
July20.1 °C30.2 °C104.39 mm
August19.1 °C29.1 °C120.4 mm
September15.3 °C25.9 °C98.55 mm
October8.8 °C19.8 °C98.04 mm
November2.9 °C13.9 °C81.28 mm
December-0.8 °C8.7 °C99.06 mm
Annual8 °C18.4 °C1166.36 mm

Climate Data for Dover Delaware

Average First Frost DateNov. 1 - Nov. 10
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 7a : -17.8°C to -15°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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