Swanton Maryland Climate Data

Monthly Average Climate Data for Swanton Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.5 °C1.3 °C106.93 mm
February-6.5 °C3.3 °C99.82 mm
March-3 °C7.8 °C113.54 mm
April2.6 °C15.1 °C116.08 mm
May8.2 °C19.8 °C131.83 mm
June12.8 °C23.8 °C134.62 mm
July14.9 °C25.8 °C117.09 mm
August14.2 °C25.2 °C99.06 mm
September10.5 °C22 °C95.5 mm
October4.6 °C15.8 °C85.34 mm
November-0.8 °C9.1 °C88.39 mm
December-4.8 °C3.6 °C104.65 mm
Annual3.8 °C14.4 °C1292.85 mm

Climate Data for Swanton Maryland

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsExtreme Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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