Butler Pennsylvania Climate Data

Monthly Average Climate Data for Butler Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.7 °F36.2 °F3.31 in.
February20.6 °F39.3 °F2.54 in.
March27.5 °F48.5 °F3.24 in.
April37.3 °F62.0 °F3.79 in.
May47.8 °F72.1 °F3.85 in.
June56.9 °F80.0 °F4.32 in.
July60.9 °F83.7 °F4.2 in.
August59.4 °F82.5 °F3.91 in.
September52.5 °F76.1 °F3.89 in.
October41.5 °F63.6 °F3.26 in.
November32.3 °F51.4 °F3.33 in.
December25.2 °F40.7 °F3.23 in.
Annual40.1 °F61.3 °F42.87 in.

Climate Data for Butler 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 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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