Clarendon Pennsylvania Climate Data

Monthly Average Climate Data for Clarendon Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.0 °F31.3 °F3.61 in.
February15.2 °F33.9 °F2.63 in.
March22.2 °F43.0 °F3.27 in.
April32.9 °F56.8 °F4.1 in.
May43.5 °F68.4 °F4.16 in.
June52.1 °F76.0 °F4.63 in.
July56.2 °F79.9 °F4.85 in.
August55.1 °F78.4 °F4.19 in.
September48.7 °F71.9 °F4.01 in.
October38.3 °F59.5 °F4.04 in.
November29.8 °F46.7 °F3.78 in.
December22.0 °F35.9 °F3.89 in.
Annual35.9 °F56.8 °F47.16 in.

Climate Data for Clarendon Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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