TODAY DEC21
TEMPERATURE49
HUMIDITY82
PRESSURE100960
WIND COND.228 4.8
  • 5041Sun90%100%
  • 5243Mon20%100%
  • 4839Tue90%
  • 4841
  • 4941Thu
daynightWeather update from EW6690 Maple Valley at
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Weather Quick Facts

  • The highest monthly average temperature in Covington for August is 67.5 degrees
  • The lowest monthly average temperature in Covington for December is 40.6 degrees
  • The most monthly precipitation in Covington occurs in November with 5.7 inches
  • The air quality index in Covington is 7% worse than the national average
  • The pollution index in Covington is 549% worse than the national average

Compare Covington, WA Weather

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      Covington 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°F48°F41°F4.7"
      February37°F51°F44°F3.2"
      March40°F55°F46°F4.5"
      April43°F61°F50°F2.9"
      May48°F68°F57°F2.1"
      June53°F73°F62°F1.6"
      July58°F80°F67°F0.5"
      August58°F80°F67°F0.9"
      September53°F73°F62°F1.8"
      October47°F62°F53°F3.9"
      November40°F53°F46°F5.7"
      December36°F47°F41°F4.5"

      Covington 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.
      IndexCovingtonWashingtonNational
      Air quality index453642
      Pollution index17,693,8004,541,8502,726,193

      Covington air quality

      MeasurementTotal
      Days measured365
      Days with good air quality236
      Days with moderate air quality127
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.300%
      Carbon Tetrachloride0.050%
      Lead0.110%
      Mercury0.020%

      Average monthly Covington temperature with heat index

      Covington monthly precipitation with daily maximum

      Covington monthly snow depth with daily maximum

      Covington monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Dash Point, WA1,0081864.0%
      Midland, WA9,5183040.0%
      Summit, WA8,9933040.0%
      Puyallup, WA41,6663040.0%
      Waller, WA7,6723040.0%
      Covington, WA21,1314510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ashland, OR21,1383628.0%
      Saint-Augustin-de-Desmaures, QC21,143n/a 
      Arnold, MO21,144548.0%
      Easley, SC21,149468.0%
      Piqua, OH21,159476.0%
      Covington, WA21,1314510.0%
      Source: The Covington, 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.