Jefferson Hills Pennsylvania Climate Data

Monthly Average Climate Data for Jefferson Hills Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.3 °F37.2 °F3.15 in.
February22.5 °F39.8 °F2.55 in.
March29.6 °F49.1 °F3.29 in.
April39.7 °F62.4 °F3.36 in.
May50.1 °F72.0 °F4.1 in.
June58.8 °F79.8 °F4.45 in.
July63.1 °F83.7 °F4.38 in.
August61.6 °F82.4 °F3.55 in.
September54.7 °F76.1 °F3.51 in.
October43.3 °F64.0 °F3.02 in.
November33.7 °F51.8 °F3.02 in.
December26.5 °F41.5 °F3.13 in.
Annual42.1 °F61.7 °F41.51 in.

Climate Data for Jefferson Hills Pennsylvania

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 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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