TODAY MAY12
TEMPERATURE61
HUMIDITY15
PRESSURE30.1
WIND COND.
  • 8858Wed
  • 9160Thu
  • 9058Fri
  • 8755Sat
  • 8452Sun
daynightWeather update from Fort Huachuca, Libby AAF Ft Huachuca at

Key findings

  • The highest monthly average temperature in Sierra Vista for July is 81.7 degrees
  • The lowest monthly average temperature in Sierra Vista for January is 48.9 degrees
  • The most monthly precipitation in Sierra Vista occurs in August with 8.5 inches
  • The air quality index in Sierra Vista is 10% better than the national average
  • The pollution index in Sierra Vista is 20% better than the national average

Compare Sierra Vista, AZ Weather

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      Sierra Vista 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
      January39°F58°F49°F2.5"
      February42°F62°F52°F1.6"
      March47°F69°F59°F5.9"
      April52°F77°F65°F3.2"
      May60°F86°F73°F2.5"
      June68°F94°F82°F2.8"
      July71°F93°F82°F6.1"
      August69°F88°F77°F8.5"
      September65°F87°F76°F5.6"
      October56°F81°F68°F3.5"
      November50°F73°F61°F3.3"
      December38°F61°F49°F3.2"

      Sierra Vista 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.
      IndexSierra VistaArizonaNational
      Air quality index455750
      Pollution index4,063,3805,576,4945,066,862

      Sierra Vista air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality266
      Days with moderate air quality99
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Sierra Vista air quality information

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

      Average monthly Sierra Vista temperature with heat index

      Sierra Vista monthly precipitation with daily maximum

      Sierra Vista monthly snow depth with daily maximum

      Sierra Vista monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Miracle Valley, AZ7514510%
      Whetstone, AZ2,6534510%
      Palominas, AZ1344510%
      Elgin, AZ1484510%
      Sierra Vista Southeast, AZ15,7684510%
      Sierra Vista, AZ44,3814510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Arlington, MA44,4084314%
      Hackensack, NJ44,271512%
      Barnstable Town, MA44,4983628%
      Sayreville, NJ44,260512%
      Keller, TX44,250512%
      Sierra Vista, AZ44,3814510%
      Source: The Sierra Vista, 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.