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Key findings

  • The highest monthly average temperature in Grafton for August is 75.1 degrees
  • The lowest monthly average temperature in Grafton for February is 30.7 degrees
  • The most monthly precipitation in Grafton occurs in December with 8.2 inches
  • The air quality index in Grafton is 38% better than the national average
  • The pollution index in Grafton is 88% better than the national average

Compare Grafton, WV Weather

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      Grafton Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January28°F44°F36°F5.1"
      February22°F40°F31°F3.6"
      March34°F54°F43°F4.9"
      April41°F66°F53°F4.8"
      May49°F75°F62°F5.7"
      June60°F85°F72°F3.5"
      July63°F84°F73°F8.1"
      August66°F87°F75°F5.1"
      September56°F83°F68°F1.6"
      October48°F71°F58°F5.0"
      November36°F58°F46°F6.5"
      December28°F44°F35°F8.2"

      Grafton air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexGraftonWest VirginiaNational
      Air quality index3112650
      Pollution index323,2221,996,5382,726,193

      Grafton air quality information

      MeasurementTotal
      Days measured99
      Days with good air quality87
      Days with moderate air quality12
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Grafton air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.001%
      Lead0.003%
      Mercury0.000%

      Average monthly Grafton temperature with heat index

      Grafton monthly precipitation with daily maximum

      Grafton monthly snow depth with daily maximum

      Grafton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Enterprise, WV8353138.0%
      Bridgeport, WV8,3643138.0%
      Fairmont, WV18,6993138.0%
      Rivesville, WV1,0423138.0%
      Worthington, WV1603138.0%
      Grafton, WV5,1563138.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Olyphant, PA5,1563824.0%
      Hendron, KY5,1554412.0%
      Sugarcreek, PA5,1553138.0%
      Creswell, OR5,1543824.0%
      Bolivar, TN5,1542746.0%
      Grafton, WV5,1563138.0%
      Source: The Grafton, WV weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.