Aspen Hill Maryland Climate Data

Monthly Average Climate Data for Aspen Hill Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.5 °F42.5 °F3.11 in.
February26.9 °F45.6 °F2.76 in.
March33.7 °F54.0 °F3.98 in.
April43.9 °F66.1 °F3.44 in.
May53.8 °F74.4 °F4.42 in.
June62.5 °F82.8 °F4.51 in.
July67.2 °F87.0 °F4.33 in.
August65.6 °F85.1 °F3.67 in.
September58.9 °F78.4 °F4.37 in.
October46.8 °F67.0 °F3.83 in.
November36.5 °F56.2 °F3.18 in.
December29.8 °F46.5 °F3.68 in.
Annual45.9 °F65.5 °F45.28 in.

Climate Data for Aspen Hill 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 7a : 0°F to 5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate