TODAY MAR19
TEMPERATURE66
HUMIDITY39
PRESSURE
WIND COND.179 8
  • 6642Tue
  • 6239Wed
  • 5740Thu20%
  • 5338Fri50%60%
  • 4834Sat70%50%
daynightWeather update from NESPELEM at
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Weather Quick Facts

  • The highest monthly average temperature in Keller for July is 75.4 degrees
  • The lowest monthly average temperature in Keller for January is 23.9 degrees
  • The most monthly precipitation in Keller occurs in June with 4.2 inches
  • The air quality index in Keller is 2% worse than the national average
  • The pollution index in Keller is 2% better than the national average

Compare Keller, WA Weather

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      Keller 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
      January18°F30°F24°F1.2"
      February25°F44°F33°F2.4"
      March31°F57°F43°F1.8"
      April35°F65°F50°F1.5"
      May42°F75°F59°F2.6"
      June49°F80°F64°F4.2"
      July58°F92°F75°F1.6"
      August54°F91°F73°F0.8"
      September45°F78°F61°F2.2"
      October37°F61°F48°F2.3"
      November27°F41°F34°F3.6"
      December18°F30°F25°F4.0"

      Keller 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.
      IndexKellerWashingtonNational
      Air quality index433642
      Pollution index2,683,4104,541,8502,726,193

      Keller air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality252
      Days with moderate air quality111
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Keller air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.040%
      Carbon Tetrachloride0.004%
      Lead0.030%
      Mercury0.000%

      Average monthly Keller temperature with heat index

      Keller monthly precipitation with daily maximum

      Keller monthly snow depth with daily maximum

      Keller monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Grand Coulee, WA1,2571864.0%
      Nespelem, WA2151864.0%
      Coulee Dam, WA1,3551864.0%
      Elmer City, WA3011864.0%
      Keller, WA2044314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Perla, AR2043824.0%
      Bear Valley, CA204484.0%
      Bloomington, ID2044412.0%
      Eldred, IL204548.0%
      Indianola, IL2044216.0%
      Keller, WA2044314.0%
      Source: The Keller, 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.