TODAY DEC22
TEMPERATURE45
HUMIDITY2
PRESSURE101460
WIND COND.98
  • 4942Sun40%100%
  • 5142Mon20%90%
  • 4838Tue90%
  • 4640
  • 4841Thu
daynightWeather update from EW6690 Maple Valley at
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Weather Quick Facts

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

Compare Maple Valley, WA Weather

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      Maple Valley 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"

      Maple Valley 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.
      IndexMaple ValleyWashingtonNational
      Air quality index453642
      Pollution index17,693,8004,541,8502,726,193

      Maple Valley 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 Maple Valley temperature with heat index

      Maple Valley monthly precipitation with daily maximum

      Maple Valley monthly snow depth with daily maximum

      Maple Valley monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Puyallup, WA41,6663040.0%
      Bryn Mawr-Skyway, WA17,6434510.0%
      Bonney Lake, WA21,2474510.0%
      Lake Holm, WA3,3324510.0%
      East Renton Highlands, WA12,5764510.0%
      Maple Valley, WA26,7394510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lemon Grove, CA26,7396428.0%
      Sanger, CA26,7446020.0%
      Twentynine Palms, CA26,7488978.0%
      Xenia, OH26,751476.0%
      Chaska, MN26,753468.0%
      Maple Valley, WA26,7394510.0%
      Source: The Maple Valley, 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.