Baltimore Maryland Climate Data

Monthly Average Climate Data for Baltimore Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January27.5 °F43.2 °F3.39 in.
February28.9 °F45.6 °F2.91 in.
March35.6 °F53.7 °F4.32 in.
April46.0 °F65.4 °F3.74 in.
May55.6 °F74.5 °F4.14 in.
June64.9 °F83.8 °F4.47 in.
July69.9 °F88.2 °F4.28 in.
August68.0 °F86.2 °F4.04 in.
September61.3 °F79.5 °F4.66 in.
October49.5 °F68.1 °F4.32 in.
November39.2 °F57.0 °F3.34 in.
December32.0 °F47.5 °F4.0 in.
Annual48.2 °F66.1 °F47.61 in.

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 : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate