Clay Pennsylvania Climate Data

Monthly Average Climate Data for Clay Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.5 °F38.7 °F3.23 in.
February23.6 °F41.3 °F2.57 in.
March30.9 °F50.3 °F3.9 in.
April41.0 °F63.1 °F3.75 in.
May51.2 °F72.5 °F3.94 in.
June60.8 °F81.3 °F4.54 in.
July65.5 °F85.4 °F4.64 in.
August63.7 °F83.7 °F4.13 in.
September56.5 °F77.2 °F4.8 in.
October45.0 °F65.3 °F4.51 in.
November34.8 °F53.9 °F3.31 in.
December27.4 °F43.3 °F3.7 in.
Annual43.6 °F63 °F47.02 in.

Climate Data for Clay Pennsylvania

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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation