Lewes Delaware Climate Data

Monthly Average Climate Data for Lewes Delaware

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-1.4 °C6.9 °C87.63 mm
February-1 °C7.8 °C81.03 mm
March2.6 °C11.3 °C105.41 mm
April7.8 °C17 °C87.12 mm
May13.1 °C21.9 °C90.17 mm
June18.4 °C26.9 °C96.01 mm
July21.2 °C29.6 °C121.67 mm
August20.5 °C28.6 °C116.08 mm
September17.4 °C25.5 °C105.41 mm
October11.3 °C19.9 °C114.05 mm
November5.4 °C14.2 °C88.39 mm
December1 °C9.4 °C105.16 mm
Annual9.7 °C18.3 °C1198.13 mm

Climate Data for Lewes 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 8a : -12.2°C to -9.4°C
Plant Hardiness Zone - 2012Zone 7b : -15°C to -12.2°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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