TODAY MAY15
TEMPERATURE70
HUMIDITY26
PRESSURE
WIND COND.121 1.6
  • 9761Sat
  • 9357Sun
  • 8760Mon
  • 9364Tue
  • 9664Wed
daynightWeather update from DW4959 Marana at

Key findings

  • The highest monthly average temperature in Rillito for June is 88.2 degrees
  • The lowest monthly average temperature in Rillito for December is 52.2 degrees
  • The most monthly precipitation in Rillito occurs in July with 3.3 inches
  • The air quality index in Rillito is 5% better than the national average
  • The pollution index in Rillito is 20% better than the national average

Compare Rillito, AZ Weather

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      Rillito 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°F69°F52°F1.0"
      February42°F73°F56°F0.8"
      March47°F80°F63°F0.5"
      April52°F86°F69°F0.2"
      May60°F93°F78°F0.1"
      June71°F104°F88°F0.3"
      July76°F101°F88°F3.3"
      August74°F100°F86°F2.0"
      September69°F96°F82°F1.5"
      October58°F89°F73°F0.4"
      November48°F79°F62°F0.4"
      December39°F69°F52°F1.1"

      Rillito 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.
      IndexRillitoArizonaNational
      Air quality index475750
      Pollution index4,063,3805,576,4945,066,862

      Rillito air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality225
      Days with moderate air quality138
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Rillito air quality information

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

      Average monthly Rillito temperature with heat index

      Rillito monthly precipitation with daily maximum

      Rillito monthly snow depth with daily maximum

      Rillito monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Marana, AZ40,221476%
      Flowing Wells, AZ15,601476%
      Avra Valley, AZ5,606476%
      Nelson, AZ426476%
      Oro Valley, AZ42,379476%
      Rillito, AZ53476%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Kilgore, NE534412%
      Aten, NE533530%
      Ward, SD534216%
      Kinross, IA533530%
      Excursion Inlet, AK532060%
      Rillito, AZ53476%
      Source: The Rillito, 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.