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Key findings

  • The highest monthly average temperature in Key Center for August is 64.7 degrees
  • The lowest monthly average temperature in Key Center for December is 40.5 degrees
  • The most monthly precipitation in Key Center occurs in November with 6.8 inches
  • The air quality index in Key Center is 64% better than the national average
  • The pollution index in Key Center is 60% better than the national average

Compare Key Center, WA Weather

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      Key Center 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
      January36°F46°F41°F6.0"
      February38°F49°F43°F4.2"
      March39°F53°F45°F5.8"
      April42°F58°F49°F3.1"
      May47°F66°F55°F2.4"
      June51°F71°F59°F1.3"
      July55°F77°F64°F0.6"
      August55°F77°F65°F0.8"
      September52°F71°F60°F1.5"
      October47°F60°F52°F4.5"
      November41°F51°F46°F6.8"
      December36°F45°F40°F5.8"

      Key Center 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.
      IndexKey CenterWashingtonNational
      Air quality index183650
      Pollution index1,081,4304,541,8502,726,193

      Key Center air quality information

      MeasurementTotal
      Days measured340
      Days with good air quality338
      Days with moderate air quality2
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Key Center air quality information

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

      Average monthly Key Center temperature with heat index

      Key Center monthly precipitation with daily maximum

      Key Center monthly snow depth with daily maximum

      Key Center monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      East Port Orchard, WA5,3011864.0%
      Grapeview, WA1,0031864.0%
      Port Orchard, WA13,2651864.0%
      Rosedale, WA4,7191864.0%
      Wollochet, WA6,3861864.0%
      Key Center, WA3,5321864.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Flagler Estates, FL3,5331766.0%
      Mifflinburg, PA3,5333530.0%
      Louisburg, NC3,530468.0%
      Cape May, NJ3,5294020.0%
      Ranlo, NC3,5353628.0%
      Key Center, WA3,5321864.0%
      Source: The Key Center, 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.