Dundalk Maryland Climate Data

Monthly Average Climate Data for Dundalk Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.2 °C5.9 °C84.58 mm
February-1.5 °C7.2 °C72.9 mm
March2.3 °C11.5 °C108.2 mm
April8.1 °C18 °C92.46 mm
May13.5 °C23.1 °C105.92 mm
June18.8 °C28.2 °C113.28 mm
July21.7 °C30.7 °C110.74 mm
August20.9 °C29.7 °C102.62 mm
September17.2 °C26 °C118.11 mm
October10.6 °C19.7 °C107.19 mm
November4.6 °C13.5 °C83.31 mm
December0.3 °C8.2 °C100.58 mm
Annual9.5 °C18.5 °C1199.89 mm

Climate Data for Dundalk Maryland

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost50-75 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
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