TODAY DEC22
TEMPERATURE39
HUMIDITY
PRESSURE97490
WIND COND.110 11.2
  • 3634Mon70%80%
  • 3634Tue30%50%
  • 362150%
  • 269Thu
  • 16-1Fri
daynightWeather update from Iliamna, Iliamna Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Iliamna for July is 55.5 degrees
  • The lowest monthly average temperature in Iliamna for January is 17.1 degrees
  • The most monthly precipitation in Iliamna occurs in September with 5.6 inches
  • The air quality index in Iliamna is 26% better than the national average
  • The pollution index in Iliamna is 89% better than the national average

Compare Iliamna, AK Weather

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      Iliamna 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
      January10°F25°F17°F0.8"
      February14°F30°F22°F0.7"
      March11°F30°F20°F0.8"
      April25°F42°F34°F0.7"
      May35°F55°F45°F1.2"
      June43°F62°F52°F1.7"
      July48°F64°F55°F3.5"
      August48°F63°F55°F4.6"
      September42°F56°F48°F5.6"
      October31°F45°F38°F2.8"
      November16°F31°F24°F1.8"
      December15°F29°F22°F1.4"

      Iliamna 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.
      IndexIliamnaAlaskaNational
      Air quality index313042
      Pollution index304,43811,243,1942,726,193

      Iliamna air quality

      MeasurementTotal
      Days measured365
      Days with good air quality262
      Days with moderate air quality92
      Days w/ poor A.Q. for sensitive groups7
      Days with unhealthy air quality4

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.005%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Iliamna temperature with heat index

      Iliamna monthly precipitation with daily maximum

      Iliamna monthly snow depth with daily maximum

      Iliamna monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Newhalen, AK1073138.0%
      Iliamna, AK433138.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Atka, AK433138.0%
      Oak Springs, AZ431766.0%
      Oatman, AZ431374.0%
      Valentine, AZ431374.0%
      Redstone, CO434412.0%
      Iliamna, AK433138.0%
      Source: The Iliamna, AK 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.