Garretts Mill Maryland Climate Data

Monthly Average Climate Data for Garretts Mill Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.7 °F41.3 °F3.14 in.
February25.1 °F44.8 °F2.41 in.
March31.9 °F53.3 °F3.58 in.
April41.8 °F65.5 °F3.39 in.
May51.5 °F74.4 °F4.29 in.
June60.4 °F82.6 °F3.93 in.
July64.8 °F87.2 °F4.07 in.
August62.9 °F85.4 °F3.3 in.
September55.9 °F78.7 °F4.42 in.
October44.5 °F67.6 °F3.4 in.
November34.5 °F55.8 °F3.12 in.
December27.5 °F45.3 °F3.41 in.
Annual43.7 °F65.2 °F42.46 in.

Climate Data for Garretts Mill Maryland

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation