Deal Island Maryland Climate Data

Monthly Average Climate Data for Deal Island Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-0.6 °C6.8 °C83.82 mm
February0 °C8.1 °C74.42 mm
March3.6 °C11.9 °C104.65 mm
April9.2 °C18.1 °C87.12 mm
May14.7 °C22.7 °C92.96 mm
June19.8 °C27.4 °C103.12 mm
July22.7 °C29.8 °C112.27 mm
August21.9 °C28.8 °C119.63 mm
September18.6 °C25.8 °C108.71 mm
October12.3 °C20.1 °C102.87 mm
November6.2 °C14.1 °C79.5 mm
December2.1 °C9.4 °C92.71 mm
Annual10.9 °C18.6 °C1161.78 mm

Climate Data for Deal Island Maryland

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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