New Carrollton Maryland Climate Data

Monthly Average Climate Data for New Carrollton Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.2 °C6.3 °C78.74 mm
February-2.4 °C8.1 °C69.34 mm
March1.3 °C12.5 °C100.58 mm
April6.8 °C19.1 °C87.12 mm
May12.3 °C23.8 °C113.79 mm
June17.4 °C28.7 °C118.36 mm
July20.1 °C31.2 °C115.32 mm
August19.1 °C30.2 °C95 mm
September15.3 °C26.6 °C113.03 mm
October8.4 °C20.2 °C97.54 mm
November2.8 °C14 °C78.99 mm
December-0.9 °C8.6 °C93.98 mm
Annual8.1 °C19.1 °C1161.79 mm

Climate Data for New Carrollton 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 : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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