Henderson Maryland Climate Data

Monthly Average Climate Data for Henderson Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.9 °C6.2 °C89.41 mm
February-3.3 °C7.4 °C81.03 mm
March0.7 °C11.7 °C103.63 mm
April6.3 °C18.2 °C92.46 mm
May11.7 °C23.1 °C102.62 mm
June16.7 °C27.9 °C114.05 mm
July19.4 °C30.4 °C110.24 mm
August18.3 °C29.5 °C110.74 mm
September14.6 °C26.3 °C105.66 mm
October7.8 °C20.1 °C101.6 mm
November2.2 °C14 °C83.06 mm
December-1.3 °C8.7 °C100.84 mm
Annual7.4 °C18.6 °C1195.34 mm

Climate Data for Henderson 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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