TODAY MAY16
TEMPERATURE42
HUMIDITY82
PRESSURE30
WIND COND.100 9.4
  • 5041Mon20%
  • 5442Tue
  • 5142Wed
  • 5143Thu
  • 5346Fri
daynightWeather update from Sitka, Sitka Airport at

Key findings

  • The highest monthly average temperature in Sitka for August is 57 degrees
  • The lowest monthly average temperature in Sitka for February is 36.8 degrees
  • The most monthly precipitation in Sitka occurs in September with 12.9 inches
  • The air quality index in Sitka is 60% better than the national average
  • The pollution index in Sitka is 95% better than the national average

Compare Sitka, AK Weather

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      Sitka 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
      January33°F42°F37°F9.2"
      February32°F42°F37°F5.4"
      March32°F43°F37°F5.3"
      April37°F49°F42°F4.6"
      May43°F55°F48°F3.7"
      June48°F59°F53°F3.1"
      July52°F61°F56°F5.3"
      August53°F63°F57°F8.1"
      September49°F59°F53°F12.9"
      October42°F52°F47°F11.9"
      November35°F44°F39°F9.3"
      December32°F42°F37°F7.6"

      Sitka 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.
      IndexSitkaAlaskaNational
      Air quality index203050
      Pollution index271,45211,990,2865,066,862

      Sitka air quality information

      MeasurementTotal
      Days measured362
      Days with good air quality308
      Days with moderate air quality51
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Sitka air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.005%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Sitka temperature with heat index

      Sitka monthly precipitation with daily maximum

      Sitka monthly snow depth with daily maximum

      Sitka monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Sitka, AK8,9212060%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Madeira, OH8,924548%
      Cape St. Claire, MD8,918468%
      Pulaski, VA8,9184118%
      Atoka, TN8,9174510%
      Lake Villa, IL8,9163922%
      Sitka, AK8,9212060%
      Source: The Sitka, 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.