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Key findings

  • The highest monthly average temperature in Ketron Island for July is 65.1 degrees
  • The lowest monthly average temperature in Ketron Island for December is 37.7 degrees
  • The most monthly precipitation in Ketron Island occurs in January with 9 inches
  • The air quality index in Ketron Island is 40% better than the national average
  • The pollution index in Ketron Island is 32% worse than the national average

Compare Ketron Island, WA Weather

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      Ketron Island 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
      January34°F46°F39°F9.0"
      February34°F49°F40°F4.0"
      March36°F52°F43°F4.2"
      April38°F58°F47°F2.9"
      May43°F65°F53°F4.4"
      June49°F70°F59°F3.3"
      July54°F79°F65°F1.9"
      August53°F77°F64°F3.2"
      September49°F72°F59°F3.7"
      October42°F60°F50°F5.2"
      November39°F51°F44°F8.1"
      December32°F44°F38°F6.1"

      Ketron Island 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.
      IndexKetron IslandWashingtonNational
      Air quality index303650
      Pollution index6,704,3308,596,9895,066,862

      Ketron Island air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality323
      Days with moderate air quality42
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Ketron Island air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.100%
      Carbon Tetrachloride0.004%
      Lead0.030%
      Mercury0.003%

      Average monthly Ketron Island temperature with heat index

      Ketron Island monthly precipitation with daily maximum

      Ketron Island monthly snow depth with daily maximum

      Ketron Island monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Browns Point, WA1,1871864%
      Raft Island, WA3421864%
      Gig Harbor, WA8,3071864%
      Key Center, WA3,5321864%
      Vaughn, WA5291864%
      Ketron Island, WA03040%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Cuevitas, TX04216%
      Mexican Hat, UT0492%
      Mertarvik, AK03138%
      Little Grass Valley, CA0468%
      Floraville, IL0548%
      Ketron Island, WA03040%
      Source: The Ketron Island, WA 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.