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Key findings

  • The highest monthly average temperature in Old Harbor for August is 55 degrees
  • The lowest monthly average temperature in Old Harbor for January is 31 degrees
  • The most monthly precipitation in Old Harbor occurs in December with 9 inches
  • The air quality index in Old Harbor is 38% better than the national average
  • The pollution index in Old Harbor is 90% better than the national average

Compare Old Harbor, AK Weather

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      Old Harbor 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
      January25°F37°F31°F8.0"
      February26°F38°F32°F6.5"
      March26°F38°F32°F4.5"
      April31°F44°F38°F5.9"
      May38°F52°F45°F6.2"
      June44°F58°F51°F5.0"
      July49°F62°F55°F4.9"
      August49°F63°F55°F5.7"
      September43°F58°F50°F7.2"
      October35°F49°F42°F7.6"
      November27°F41°F34°F6.0"
      December26°F38°F33°F9.0"

      Old Harbor 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.
      IndexOld HarborAlaskaNational
      Air quality index313050
      Pollution index514,24111,990,2865,066,862

      Old Harbor air quality information

      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

      Old Harbor air quality information

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

      Average monthly Old Harbor temperature with heat index

      Old Harbor monthly precipitation with daily maximum

      Old Harbor monthly snow depth with daily maximum

      Old Harbor monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Old Harbor, AK3023138%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Elgin, TN302536%
      Staley, NC3023138%
      North Acomita Village, NM302536%
      Malta Bend, MO3023824%
      Hoople, ND3023334%
      Old Harbor, AK3023138%
      Source: The Old Harbor, 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.