Middle River Maryland Climate Data

Monthly Average Climate Data for Middle River Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January27.4 °F42.2 °F3.41 in.
February28.5 °F44.4 °F2.86 in.
March35.5 °F52.3 °F4.32 in.
April46.0 °F64.2 °F3.7 in.
May55.7 °F73.4 °F4.26 in.
June65.2 °F82.4 °F4.49 in.
July70.4 °F87.0 °F4.49 in.
August68.7 °F85.4 °F4.16 in.
September61.9 °F78.9 °F4.76 in.
October50.0 °F67.3 °F4.41 in.
November39.3 °F56.1 °F3.34 in.
December32.0 °F46.4 °F4.05 in.
Annual48.4 °F65 °F48.25 in.

Climate Data for Middle River 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 ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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