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Key findings

  • The highest monthly average temperature in Iliff for July is 73 degrees
  • The lowest monthly average temperature in Iliff for December is 27 degrees
  • The most monthly precipitation in Iliff occurs in August with 5 inches
  • The air quality index in Iliff is 62% better than the national average
  • The pollution index in Iliff is 88% better than the national average

Compare Iliff, CO Weather

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      Iliff 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
      January17°F42°F28°F1.6"
      February20°F48°F33°F0.7"
      March28°F60°F42°F2.4"
      April33°F62°F46°F1.7"
      May41°F67°F53°F3.6"
      June53°F83°F67°F3.1"
      July58°F90°F73°F3.6"
      August55°F86°F69°F5.0"
      September49°F81°F64°F3.1"
      October39°F69°F52°F3.3"
      November24°F54°F38°F1.2"
      December15°F41°F27°F1.0"

      Iliff 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.
      IndexIliffColoradoNational
      Air quality index193850
      Pollution index614,3192,034,6195,066,862

      Iliff air quality information

      MeasurementTotal
      Days measured113
      Days with good air quality110
      Days with moderate air quality3
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Iliff air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.000%

      Average monthly Iliff temperature with heat index

      Iliff monthly precipitation with daily maximum

      Iliff monthly snow depth with daily maximum

      Iliff monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Fleming, CO6251962%
      Padroni, CO1041962%
      Peetz, CO2081962%
      Crook, CO1211962%
      Sterling, CO13,9764510%
      Iliff, CO1931962%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Bellmont, IL1933628%
      Hope, NJ1933432%
      Union, NE1934020%
      Leighton, IA1933922%
      Tenstrike, MN1932942%
      Iliff, CO1931962%
      Source: The Iliff, CO 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.