Garretts Mill Maryland Climate Data

Monthly Average Climate Data for Garretts Mill Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.6 °C5.2 °C79.76 mm
February-3.8 °C7.1 °C61.21 mm
March-0.1 °C11.8 °C90.93 mm
April5.4 °C18.6 °C86.11 mm
May10.8 °C23.6 °C108.97 mm
June15.8 °C28.1 °C99.82 mm
July18.2 °C30.7 °C103.38 mm
August17.2 °C29.7 °C83.82 mm
September13.3 °C25.9 °C112.27 mm
October6.9 °C19.8 °C86.36 mm
November1.4 °C13.2 °C79.25 mm
December-2.5 °C7.4 °C86.61 mm
Annual6.5 °C18.4 °C1078.49 mm

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 : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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