TODAY JUN20
TEMPERATURE
HUMIDITY
PRESSURE30.22
WIND COND.
  • 10363Wed
  • 10664Thu
  • 10663Fri
  • 10464Sat
  • 9963Sun
daynightWeather update from Grand Canyon National Park Airport at

Supai 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-15°F61°F28°F1.5"
February-17°F63°F32°F0.9"
March-2°F75°F37°F1.0"
April9°F79°F45°F0.6"
May11°F87°F53°F0.4"
June22°F93°F63°F0.6"
July34°F97°F69°F1.4"
August39°F92°F66°F1.6"
September22°F85°F58°F0.5"
October9°F78°F47°F0.8"
November-6°F72°F39°F0.1"
December-2°F66°F28°F0.6"

Did you know?

  • The highest monthly average temperature in Supai for July is 69 degrees.
  • The lowest monthly average temperature in Supai for December is 28 degrees.
  • The most monthly precipitation in Supai occurs in August with 1.6 inches.
  • The air quality index in Supai is 17% better than the national average.
  • The pollution index in Supai is 201% worse than the national average.

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Compare Supai, AZ Weather To Other Cities

Supai 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.
IndexSupaiArizonaNational
Air quality index415750
Pollution index15,258,3005,576,4945,066,862

Supai air quality information

MeasurementTotal
Days measured365
Days with good air quality320
Days with moderate air quality45
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Supai air quality information

PollutantTotal
Arsenic0.430%
Benzene0.060%
Carbon Tetrachloride0.010%
Lead0.130%
Mercury0.150%

Average monthly Supai temperature with heat index

Supai monthly precipitation with daily maximum

Supai monthly snow depth with daily maximum

Supai monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Supai, AZ04118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Wilsonia, CA07448%
Hartwell, MO05816%
Indianola CDP, OK04314%
Los Centenarios, TX03824%
Alcova, WY03922%
Supai, AZ04118%
Source: The Supai, 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.