Grafton West Virginia Climate Data

Monthly Average Climate Data for Grafton West Virginia

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.7 °F39.8 °F3.66 in.
February23.4 °F43.1 °F3.34 in.
March29.9 °F52.3 °F4.03 in.
April39.6 °F65.1 °F4.01 in.
May49.3 °F73.0 °F4.93 in.
June57.9 °F80.1 °F4.61 in.
July62.1 °F83.3 °F5.63 in.
August60.7 °F82.6 °F4.14 in.
September53.8 °F77.4 °F3.74 in.
October42.0 °F65.8 °F3.34 in.
November32.6 °F53.9 °F3.07 in.
December26.4 °F43.8 °F3.97 in.
Annual41.6 °F63.4 °F48.47 in.

Climate Data for Grafton West Virginia

Average First Frost DateOct. 11 - Oct. 20
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 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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