Grantsville Maryland Climate Data

Monthly Average Climate Data for Grantsville Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.3 °C1.1 °C90.68 mm
February-7.4 °C2.9 °C83.82 mm
March-3.8 °C7.7 °C101.09 mm
April1.6 °C15.3 °C105.41 mm
May7.4 °C20.2 °C126.75 mm
June12.1 °C24.2 °C124.21 mm
July14.2 °C26.2 °C108.71 mm
August13.4 °C25.5 °C95.5 mm
September9.6 °C22.1 °C94.23 mm
October3.7 °C15.8 °C81.28 mm
November-1.7 °C9.1 °C77.72 mm
December-5.3 °C3.4 °C92.71 mm
Annual3 °C14.5 °C1182.11 mm

Climate Data for Grantsville Maryland

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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