TODAY NOV05
TEMPERATURE31
HUMIDITY100
PRESSURE
WIND COND.262 6.4
  • 4520Tue
  • 4522Wed
  • 4626Thu
  • 4731Fri40%
  • 4631Sat70%60%
daynightWeather update from DEER MOUNTAIN at
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Weather Quick Facts

  • The highest monthly average temperature in Ione for July is 70.2 degrees
  • The lowest monthly average temperature in Ione for December is 26.4 degrees
  • The most monthly precipitation in Ione occurs in January with 7.2 inches
  • The air quality index in Ione is 2% worse than the national average
  • The pollution index in Ione is 3% worse than the national average

Compare Ione, WA Weather

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      Ione 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
      January24°F32°F27°F7.2"
      February26°F38°F31°F2.7"
      March31°F49°F38°F3.0"
      April36°F60°F46°F1.9"
      May44°F71°F56°F2.0"
      June49°F76°F61°F2.2"
      July55°F89°F70°F1.0"
      August54°F88°F69°F0.7"
      September47°F75°F59°F1.1"
      October38°F56°F45°F2.7"
      November31°F41°F35°F3.7"
      December23°F31°F26°F6.5"

      Ione 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.
      IndexIoneWashingtonNational
      Air quality index433642
      Pollution index2,800,2904,541,8502,726,193

      Ione air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.040%
      Carbon Tetrachloride0.004%
      Lead0.020%
      Mercury0.001%

      Average monthly Ione temperature with heat index

      Ione monthly precipitation with daily maximum

      Ione monthly snow depth with daily maximum

      Ione monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Metaline, WA1224314.0%
      Metaline Falls, WA2564314.0%
      Ione, WA4324314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Oak Grove, AR4321864.0%
      Pioneer, LA4323432.0%
      Kellogg, MN4321570.0%
      Freeville, NY4323432.0%
      Phillipsburg, OH432476.0%
      Ione, WA4324314.0%
      Source: The Ione, 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.