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Sitka Average Weather

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"

Did you know?

  • The highest monthly average temperature in Sitka for August is 57 degrees.
  • The lowest monthly average temperature in Sitka for February is 37 degrees.
  • The most monthly precipitation in Sitka occurs in September with 12.9 inches.
  • The air quality index in Sitka is 61% better than the national average.
  • The pollution index in Sitka is 94% better than the national average.

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Compare Sitka, AK Weather To Other Cities

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 index193050
Pollution index271,45211,990,2865,066,862

Sitka air quality information

MeasurementTotal
Days measured346
Days with good air quality309
Days with moderate air quality35
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

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, AK8,9211962%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Madeira, OH8,924548%
Cape St. Claire, MD8,918468%
Pulaski, VA8,9183530%
Atoka, TN8,9174412%
Pitman, NJ8,9165714%
Sitka, AK8,9211962%
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.