Swanton Maryland Climate Data

Monthly Average Climate Data for Swanton Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.5 °F34.3 °F4.21 in.
February20.3 °F37.9 °F3.93 in.
March26.6 °F46.1 °F4.47 in.
April36.6 °F59.2 °F4.57 in.
May46.7 °F67.7 °F5.19 in.
June55.1 °F74.9 °F5.3 in.
July58.8 °F78.5 °F4.61 in.
August57.6 °F77.4 °F3.9 in.
September50.9 °F71.6 °F3.76 in.
October40.2 °F60.4 °F3.36 in.
November30.6 °F48.3 °F3.48 in.
December23.3 °F38.5 °F4.12 in.
Annual38.8 °F57.9 °F50.9 in.

Climate Data for Swanton Maryland

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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