Rock Hall Maryland Climate Data

Monthly Average Climate Data for Rock Hall Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January27.9 °F42.2 °F3.12 in.
February29.1 °F44.5 °F2.65 in.
March35.7 °F52.3 °F4.04 in.
April46.2 °F63.9 °F3.36 in.
May55.9 °F72.8 °F4.22 in.
June65.5 °F81.6 °F4.29 in.
July71.0 °F86.2 °F4.06 in.
August69.1 °F84.7 °F4.06 in.
September62.8 °F78.3 °F4.42 in.
October51.3 °F67.3 °F3.55 in.
November41.0 °F55.8 °F2.86 in.
December32.9 °F46.6 °F3.61 in.
Annual49 °F64.7 °F44.24 in.

Climate Data for Rock Hall 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 : 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