Allen Maryland Climate Data

Monthly Average Climate Data for Allen Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January27.7 °F46.6 °F3.43 in.
February28.5 °F49.0 °F2.96 in.
March34.9 °F56.2 °F4.09 in.
April44.3 °F67.7 °F3.53 in.
May53.6 °F75.9 °F3.61 in.
June62.9 °F84.1 °F4.04 in.
July68.0 °F88.5 °F4.41 in.
August65.7 °F86.3 °F5.01 in.
September59.7 °F81.1 °F4.44 in.
October48.1 °F70.8 °F4.04 in.
November38.0 °F59.8 °F3.18 in.
December31.5 °F50.8 °F3.7 in.
Annual46.9 °F68.1 °F46.44 in.

Climate Data for Allen 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 7b : 5°F to 10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate