Derwood Maryland Climate Data

Monthly Average Climate Data for Derwood Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.4 °F41.9 °F3.12 in.
February26.9 °F45.1 °F2.76 in.
March33.6 °F53.5 °F3.96 in.
April43.5 °F65.5 °F3.41 in.
May53.4 °F73.9 °F4.45 in.
June62.1 °F82.2 °F4.49 in.
July66.8 °F86.5 °F4.27 in.
August65.0 °F84.6 °F3.56 in.
September58.5 °F77.9 °F4.4 in.
October46.6 °F66.5 °F3.87 in.
November36.8 °F55.8 °F3.29 in.
December29.6 °F45.9 °F3.64 in.
Annual45.7 °F64.9 °F45.22 in.

Climate Data for Derwood 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation