Baltimore Maryland Climate Data

Monthly Average Climate Data for Baltimore Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.5 °C6.2 °C86.11 mm
February-1.7 °C7.6 °C73.91 mm
March2 °C12.1 °C109.73 mm
April7.8 °C18.6 °C95 mm
May13.1 °C23.6 °C105.16 mm
June18.3 °C28.8 °C113.54 mm
July21.1 °C31.2 °C108.71 mm
August20 °C30.1 °C102.62 mm
September16.3 °C26.4 °C118.36 mm
October9.7 °C20.1 °C109.73 mm
November4 °C13.9 °C84.84 mm
December0 °C8.6 °C101.6 mm
Annual9 °C18.9 °C1209.31 mm

Climate Data for Baltimore 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 ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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