TODAY JUL23
TEMPERATURE105
HUMIDITY24
PRESSURE101190
WIND COND.130 9.4
  • 10886Wed30%
  • 10885Thu30%40%
  • 10784Fri20%30%
  • 10684Sat
  • 10584Sun
daynightWeather update from Mesa / Falcon Field at
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Weather Quick Facts

  • The highest monthly average temperature in Fountain Hills for July is 93.8 degrees
  • The lowest monthly average temperature in Fountain Hills for December is 53.3 degrees
  • The most monthly precipitation in Fountain Hills occurs in December with 1.3 inches
  • The air quality index in Fountain Hills is 76% worse than the national average
  • The pollution index in Fountain Hills is 49% worse than the national average

Compare Fountain Hills, AZ Weather

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      Fountain Hills 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
      January42°F67°F54°F1.2"
      February46°F71°F58°F0.6"
      March52°F79°F65°F0.7"
      April58°F85°F72°F0.2"
      May66°F93°F80°F0.3"
      June77°F104°F91°F0.1"
      July83°F105°F94°F0.8"
      August81°F104°F92°F1.2"
      September75°F99°F87°F0.9"
      October63°F89°F76°F0.3"
      November51°F78°F64°F0.5"
      December43°F66°F53°F1.3"

      Fountain Hills 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.
      IndexFountain HillsArizonaNational
      Air quality index745742
      Pollution index4,063,3809,766,0192,726,193

      Fountain Hills air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality50
      Days with moderate air quality261
      Days w/ poor A.Q. for sensitive groups42
      Days with unhealthy air quality2

      Fountain Hills air quality information

      PollutantTotal
      Arsenic0.004%
      Benzene0.060%
      Carbon Tetrachloride0.010%
      Lead0.040%
      Mercury0.001%

      Average monthly Fountain Hills temperature with heat index

      Fountain Hills monthly precipitation with daily maximum

      Fountain Hills monthly snow depth with daily maximum

      Fountain Hills monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Apache Junction, AZ41,8637448.0%
      Scottsdale, AZ254,9957448.0%
      Mesa, AZ508,9187448.0%
      Tempe, AZ191,6077448.0%
      Paradise Valley, AZ14,5027448.0%
      Fountain Hills, AZ25,1677448.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Palm Springs, FL25,1683628.0%
      Homewood, AL25,170536.0%
      Haines City, FL25,1783628.0%
      Austin, MN25,1803628.0%
      Caledonia, WI25,1823922.0%
      Fountain Hills, AZ25,1677448.0%
      Source: The Fountain Hills, 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.