Highland Maryland Climate Data

Monthly Average Climate Data for Highland Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.7 °F42.2 °F3.24 in.
February25.9 °F45.5 °F2.92 in.
March33.0 °F54.1 °F4.16 in.
April42.9 °F66.5 °F3.64 in.
May53.0 °F75.0 °F4.52 in.
June61.5 °F83.4 °F4.58 in.
July66.2 °F87.6 °F4.42 in.
August64.5 °F85.6 °F3.78 in.
September57.8 °F79.0 °F4.59 in.
October45.9 °F67.5 °F4.02 in.
November36.1 °F56.3 °F3.32 in.
December29.1 °F46.3 °F3.83 in.
Annual45.1 °F65.8 °F47.02 in.

Climate Data for Highland 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
2024 plantmaps.com