Ellicott City Maryland Climate Data

Monthly Average Climate Data for Ellicott City Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.8 °F43.2 °F3.37 in.
February27.2 °F46.0 °F3.0 in.
March34.0 °F54.3 °F4.3 in.
April43.9 °F66.4 °F3.72 in.
May53.6 °F75.4 °F4.5 in.
June62.7 °F83.8 °F4.48 in.
July67.5 °F88.1 °F4.55 in.
August65.7 °F86.2 °F3.94 in.
September58.9 °F79.6 °F4.76 in.
October47.0 °F68.1 °F4.16 in.
November37.2 °F56.9 °F3.36 in.
December30.1 °F47.2 °F3.96 in.
Annual46.1 °F66.3 °F48.1 in.

Climate Data for Ellicott City Maryland

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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