TODAY NOV22
TEMPERATURE14
HUMIDITY100
PRESSURE102472.12
WIND COND.270 9.3
  • 2813Fri
  • 2419Sat40%
  • 2814Sun60%60%
  • 203Mon20%
  • 155Tue
daynightWeather update from CAVALIER at
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Weather Quick Facts

  • The highest monthly average temperature in Grafton for July is 70.1 degrees
  • The lowest monthly average temperature in Grafton for January is 9.7 degrees
  • The most monthly precipitation in Grafton occurs in May with 8.4 inches
  • The air quality index in Grafton is 22% better than the national average
  • The pollution index in Grafton is 80% better than the national average

Compare Grafton, ND 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
      January1°F19°F10°F0.6"
      February2°F20°F10°F0.5"
      March17°F36°F26°F3.3"
      April31°F54°F41°F3.2"
      May43°F68°F55°F8.4"
      June54°F77°F65°F6.0"
      July58°F83°F70°F6.1"
      August55°F81°F67°F5.6"
      September47°F72°F59°F5.5"
      October35°F56°F45°F5.3"
      November21°F39°F29°F3.2"
      December4°F21°F12°F2.0"

      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.
      IndexGraftonNorth DakotaNational
      Air quality index333542
      Pollution index536,1221,038,6652,726,193

      Grafton air quality

      MeasurementTotal
      Days measured363
      Days with good air quality327
      Days with moderate air quality34
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.020%
      Mercury0.004%

      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.
      Conway, ND133334.0%
      Drayton, ND8033334.0%
      Forest River, ND1323334.0%
      Crystal, ND943334.0%
      Nash, ND353334.0%
      Grafton, ND4,1393334.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Haleyville, AL4,1393726.0%
      North Wilkesboro, NC4,1392648.0%
      Falls City, NE4,1394314.0%
      Northwest Harbor, NY4,1383726.0%
      Broadmoor, CA4,1404314.0%
      Grafton, ND4,1393334.0%
      Source: The Grafton, ND 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.