Williamsport Indiana Climate Data

Monthly Average Climate Data for Williamsport Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.7 °F33.5 °F2.37 in.
February20.6 °F38.0 °F2.06 in.
March29.9 °F49.6 °F2.81 in.
April40.6 °F62.6 °F4.12 in.
May52.0 °F73.5 °F4.38 in.
June61.3 °F81.8 °F4.86 in.
July63.8 °F84.3 °F4.29 in.
August61.6 °F82.9 °F3.42 in.
September54.1 °F78.4 °F2.88 in.
October42.8 °F65.9 °F3.18 in.
November32.5 °F50.9 °F3.14 in.
December23.5 °F38.6 °F2.44 in.
Annual41.7 °F61.7 °F39.95 in.

Climate Data for Williamsport Indiana

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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