TODAY MAY27
TEMPERATURE86
HUMIDITY33
PRESSURE29.67
WIND COND.290 10.3
  • 8459Sun20%30%
  • 826130%30%
  • 8460Tue40%50%
  • 7554Wed50%30%
  • 7755Thu
daynightWeather update from CAVALIER at

Grafton Average Weather

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
January-35°F43°F9°F0.4"
February-31°F41°F9°F0.3"
March-19°F63°F24°F1.0"
April10°F88°F43°F1.0"
May20°F93°F55°F3.4"
June28°F91°F65°F2.9"
July44°F99°F70°F1.3"
August37°F96°F67°F2.2"
September30°F91°F60°F1.9"
October16°F84°F44°F2.2"
November-11°F67°F31°F1.0"
December-29°F48°F12°F1.0"

Did you know?

  • The highest monthly average temperature in Grafton for July is 70 degrees.
  • The lowest monthly average temperature in Grafton for February is 9 degrees.
  • The most monthly precipitation in Grafton occurs in May with 3.4 inches.
  • The air quality index in Grafton is 29% better than the national average.
  • The pollution index in Grafton is 89% better than the national average.

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Compare Grafton, ND Weather To Other Cities

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 index353550
Pollution index536,1221,235,1375,066,862

Grafton air quality information

MeasurementTotal
Days measured355
Days with good air quality308
Days with moderate air quality47
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Grafton air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Crystal, ND1443530%
Minto, ND6803530%
Ardoch, ND1103530%
Drayton, ND7603530%
Nash, ND343530%
Grafton, ND4,2873530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Mountain Lakes, NJ4,287536%
Waverly, NY4,287285470%
Mitchell, IN4,2874020%
Temple, GA4,287524%
Heber, CA4,287476%
Grafton, ND4,2873530%
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.