Grasonville Maryland Climate Data

Monthly Average Climate Data for Grasonville Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January28.6 °F43.3 °F3.23 in.
February29.7 °F45.6 °F2.77 in.
March36.5 °F53.3 °F4.08 in.
April46.6 °F64.9 °F3.43 in.
May56.3 °F73.8 °F4.07 in.
June65.8 °F82.5 °F4.27 in.
July71.0 °F87.0 °F4.32 in.
August69.3 °F85.3 °F4.23 in.
September62.9 °F79.0 °F4.25 in.
October51.3 °F67.9 °F3.85 in.
November41.0 °F56.6 °F3.05 in.
December33.3 °F47.5 °F3.7 in.
Annual49.4 °F65.6 °F45.25 in.

Climate Data for Grasonville 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