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Key findings

  • The highest monthly average temperature in Beaverton for July is 67.8 degrees
  • The lowest monthly average temperature in Beaverton for January is 38.5 degrees
  • The most monthly precipitation in Beaverton occurs in December with 11.3 inches
  • The air quality index in Beaverton is 24% better than the national average
  • The pollution index in Beaverton is 199% worse than the national average

Compare Beaverton, OR Weather

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      Beaverton 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
      January32°F47°F38°F4.1"
      February33°F53°F42°F3.0"
      March38°F60°F48°F4.8"
      April39°F61°F50°F2.9"
      May45°F70°F57°F4.8"
      June48°F72°F59°F2.1"
      July53°F83°F68°F1.3"
      August51°F84°F67°F1.2"
      September44°F75°F59°F2.8"
      October42°F61°F50°F3.8"
      November33°F52°F42°F7.5"
      December33°F45°F39°F11.3"

      Beaverton 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.
      IndexBeavertonOregonNational
      Air quality index383250
      Pollution index15,149,9005,374,5275,066,862

      Beaverton air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality285
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Beaverton air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.160%
      Carbon Tetrachloride0.030%
      Lead0.080%
      Mercury0.010%

      Average monthly Beaverton temperature with heat index

      Beaverton monthly precipitation with daily maximum

      Beaverton monthly snow depth with daily maximum

      Beaverton monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Dundee, OR3,2033236%
      Aloha, OR54,9083824%
      Oak Hills, OR11,6783824%
      Lake Shore, WA7,2473824%
      Banks, OR1,6883824%
      Beaverton, OR94,8653824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Livonia, MI94,8495612%
      Brockton, MA94,8134314%
      League City, TX94,976524%
      New Bedford, MA94,9884412%
      Sparks, NV94,718468%
      Beaverton, OR94,8653824%
      Source: The Beaverton, OR 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.