Williamsport Maryland Climate Data

Monthly Average Climate Data for Williamsport Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.5 °F41.1 °F2.95 in.
February23.8 °F44.7 °F2.27 in.
March30.5 °F53.4 °F3.54 in.
April40.9 °F65.6 °F3.53 in.
May50.7 °F74.4 °F4.26 in.
June59.4 °F83.2 °F4.13 in.
July64.0 °F87.7 °F3.61 in.
August62.4 °F86.0 °F3.68 in.
September55.2 °F79.2 °F4.03 in.
October43.1 °F67.2 °F3.45 in.
November33.6 °F55.5 °F2.89 in.
December26.7 °F44.7 °F3.33 in.
Annual42.7 °F65.2 °F41.67 in.

Climate Data for Williamsport Maryland

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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