Hillsboro Maryland Climate Data

Monthly Average Climate Data for Hillsboro Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.2 °C6.7 °C87.38 mm
February-2.7 °C8.1 °C75.69 mm
March1.1 °C12.4 °C102.36 mm
April6.6 °C18.9 °C92.71 mm
May11.9 °C23.8 °C102.36 mm
June17 °C28.8 °C110.74 mm
July19.7 °C31.2 °C111.51 mm
August18.5 °C30.1 °C117.35 mm
September14.8 °C26.8 °C103.38 mm
October8.4 °C20.6 °C100.84 mm
November2.8 °C14.4 °C82.04 mm
December-0.8 °C9.1 °C96.27 mm
Annual7.8 °C19.2 °C1182.63 mm

Climate Data for Hillsboro Maryland

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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