Havre de Grace Maryland Climate Data

Monthly Average Climate Data for Havre de Grace Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.3 °F41.8 °F3.45 in.
February26.3 °F44.5 °F2.84 in.
March33.2 °F52.5 °F4.32 in.
April43.9 °F63.6 °F3.82 in.
May53.4 °F73.4 °F3.9 in.
June63.0 °F82.1 °F4.51 in.
July68.1 °F86.5 °F4.55 in.
August66.6 °F85.3 °F4.32 in.
September59.6 °F78.5 °F4.46 in.
October47.6 °F67.0 °F4.31 in.
November37.5 °F55.7 °F3.37 in.
December30.1 °F46.1 °F4.33 in.
Annual46.2 °F64.8 °F48.18 in.

Climate Data for Havre de Grace Maryland

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
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 ConditionsExtreme Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com