Grassflat Pennsylvania Climate Data

Monthly Average Climate Data for Grassflat Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.3 °F32.9 °F3.1 in.
February17.2 °F35.9 °F2.5 in.
March24.2 °F44.7 °F3.42 in.
April34.6 °F58.4 °F3.76 in.
May45.5 °F69.0 °F3.98 in.
June53.4 °F76.4 °F4.22 in.
July57.5 °F80.5 °F4.09 in.
August56.0 °F78.9 °F4.01 in.
September48.9 °F72.1 °F4.23 in.
October38.6 °F60.1 °F3.7 in.
November29.4 °F48.4 °F3.1 in.
December22.2 °F37.1 °F3.3 in.
Annual37 °F57.9 °F43.41 in.

Climate Data for Grassflat Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateJun. 1 - Jun. 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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