Chambersburg Pennsylvania Climate Data

Monthly Average Climate Data for Chambersburg Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.6 °F38.9 °F3.25 in.
February23.9 °F42.3 °F2.46 in.
March31.2 °F51.1 °F3.59 in.
April41.2 °F63.7 °F3.92 in.
May50.9 °F73.1 °F4.17 in.
June59.9 °F81.9 °F4.12 in.
July64.4 °F86.3 °F3.74 in.
August62.6 °F84.4 °F3.84 in.
September55.4 °F77.5 °F3.98 in.
October44.0 °F65.6 °F3.74 in.
November34.4 °F53.8 °F2.89 in.
December26.9 °F42.9 °F3.36 in.
Annual43.1 °F63.5 °F43.06 in.

Climate Data for Chambersburg Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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