Poolesville Maryland Climate Data

Monthly Average Climate Data for Poolesville Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4 °C5.4 °C76.2 mm
February-3.1 °C7.2 °C67.31 mm
March0.6 °C11.9 °C97.03 mm
April6.2 °C18.7 °C85.6 mm
May11.7 °C23.3 °C113.54 mm
June16.6 °C28.1 °C113.03 mm
July19.3 °C30.6 °C105.92 mm
August18.2 °C29.7 °C86.61 mm
September14.4 °C25.9 °C119.89 mm
October7.7 °C19.5 °C106.68 mm
November2.1 °C13.2 °C88.39 mm
December-1.7 °C7.6 °C100.08 mm
Annual7.3 °C18.4 °C1160.28 mm

Climate Data for Poolesville Maryland

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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