TODAY MAY30
TEMPERATURE82
HUMIDITY22
PRESSURE
WIND COND.
  • 8651Sun30%20%
  • 8648Mon20%20%
  • 8548Tue20%
  • 8648Wed20%
  • 8448Thu30%30%
daynightWeather update from Window Rock, Window Rock Airport at
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Fort Defiance 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
January12°F45°F27°F1.1"
February18°F50°F33°F0.6"
March23°F59°F41°F0.4"
April29°F66°F48°F0.4"
May36°F73°F56°F0.6"
June45°F86°F68°F0.4"
July54°F88°F71°F2.3"
August52°F84°F68°F1.9"
September43°F79°F61°F1.3"
October31°F69°F49°F0.7"
November21°F58°F38°F0.6"
December15°F46°F29°F1.1"

Did you know?

  • The highest monthly average temperature in Fort Defiance for July is 71 degrees.
  • The lowest monthly average temperature in Fort Defiance for January is 27 degrees.
  • The most monthly precipitation in Fort Defiance occurs in July with 2.3 inches.
  • The air quality index in Fort Defiance is 66% better than the national average.
  • The pollution index in Fort Defiance is 16% worse than the national average.

Compare Fort Defiance, AZ Weather To Other Cities

      vs

      Fort Defiance 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.
      IndexFort DefianceArizonaNational
      Air quality index175750
      Pollution index5,861,7105,576,4945,066,862

      Fort Defiance air quality information

      MeasurementTotal
      Days measured128
      Days with good air quality127
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Fort Defiance air quality information

      PollutantTotal
      Arsenic0.310%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.090%
      Mercury0.250%

      Average monthly Fort Defiance temperature with heat index

      Fort Defiance monthly precipitation with daily maximum

      Fort Defiance monthly snow depth with daily maximum

      Fort Defiance monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      St. Michaels, AZ1,4091766%
      Navajo, NM1,8661766%
      Sawmill, AZ6521766%
      Rock Springs, NM5131766%
      Window Rock, AZ3,3551766%
      Fort Defiance, AZ4,0221766%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Mosinee, WI4,0233628%
      Nicholls, GA4,0213236%
      Hamilton, NY4,0203432%
      Montpelier, OH4,0243824%
      Rossville, GA4,0204412%
      Fort Defiance, AZ4,0221766%
      Source: The Fort Defiance, AZ 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.