Keystone West Virginia Climate Data

Monthly Average Climate Data for Keystone West Virginia

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.1 °F42.3 °F3.54 in.
February25.2 °F46.2 °F3.4 in.
March31.1 °F54.5 °F4.36 in.
April40.2 °F66.5 °F4.44 in.
May49.8 °F73.9 °F5.15 in.
June58.2 °F80.2 °F5.09 in.
July62.3 °F83.3 °F5.59 in.
August61.1 °F82.5 °F3.58 in.
September54.4 °F77.3 °F3.33 in.
October42.3 °F66.6 °F2.96 in.
November32.1 °F55.1 °F2.84 in.
December26.9 °F45.6 °F3.8 in.
Annual42.2 °F64.5 °F48.08 in.

Climate Data for Keystone West Virginia

Average First Frost DateOct. 21 - Oct. 31
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 ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate