Galesville Maryland Climate Data

Monthly Average Climate Data for Galesville Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.2 °C6.2 °C79.25 mm
February-1.5 °C7.4 °C70.87 mm
March2.3 °C11.7 °C102.87 mm
April8 °C17.7 °C83.57 mm
May13.3 °C22.7 °C107.95 mm
June18.6 °C27.7 °C109.47 mm
July21.7 °C30.2 °C120.65 mm
August20.7 °C29.3 °C102.36 mm
September17.2 °C25.8 °C118.87 mm
October11.1 °C19.7 °C105.41 mm
November5.2 °C13.6 °C80.26 mm
December0.5 °C8.4 °C93.47 mm
Annual9.6 °C18.4 °C1175 mm

Climate Data for Galesville 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 ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate