TODAY NOV07
TEMPERATURE37
HUMIDITY
PRESSURE
WIND COND.320 51.8
  • 3834Fri70%
  • 4036Sat70%30%
  • 3935Sun40%
  • 3935
  • 4137Tue
daynightWeather update from Unalaska, Unalaska Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Unalaska for August is 52.5 degrees
  • The lowest monthly average temperature in Unalaska for January is 32.8 degrees
  • The most monthly precipitation in Unalaska occurs in May with 23.6 inches
  • The air quality index in Unalaska is 26% better than the national average
  • The pollution index in Unalaska is 95% better than the national average

Compare Unalaska, AK Weather

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      Unalaska 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
      January29°F37°F33°F6.7"
      February31°F38°F34°F10.1"
      March30°F38°F34°F7.2"
      April33°F41°F36°F5.0"
      May37°F45°F40°F23.6"
      June43°F52°F46°F19.7"
      July47°F56°F50°F10.9"
      August49°F58°F53°F2.6"
      September46°F55°F50°F3.1"
      October39°F47°F43°F3.2"
      November33°F41°F37°F1.3"
      December31°F38°F34°F7.5"

      Unalaska 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.
      IndexUnalaskaAlaskaNational
      Air quality index313042
      Pollution index129,94211,243,1942,726,193

      Unalaska 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%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Unalaska temperature with heat index

      Unalaska monthly precipitation with daily maximum

      Unalaska monthly snow depth with daily maximum

      Unalaska monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Unalaska, AK4,7583138.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Edwardsville, PA4,7573824.0%
      Témiscouata-sur-le-Lac, QC4,757n/a 
      Fishhook, AK4,7593138.0%
      Suncoast Estates, FL4,7593628.0%
      Mathis, TX4,7593040.0%
      Unalaska, AK4,7583138.0%
      Source: The Unalaska, 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.