South Williamsport Pennsylvania Climate Data

Monthly Average Climate Data for South Williamsport Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.3 °F35.5 °F3.09 in.
February20.4 °F38.7 °F2.36 in.
March27.8 °F48.2 °F3.24 in.
April38.1 °F61.7 °F3.59 in.
May48.5 °F72.6 °F4.07 in.
June57.6 °F80.7 °F4.0 in.
July61.9 °F85.1 °F4.4 in.
August60.5 °F83.2 °F4.02 in.
September53.1 °F76.2 °F4.65 in.
October41.9 °F63.8 °F3.97 in.
November32.5 °F51.2 °F2.88 in.
December25.3 °F40.1 °F3.36 in.
Annual40.6 °F61.4 °F43.63 in.

Climate Data for South Williamsport Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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