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Key findings

  • The highest monthly average temperature in Troutdale for July is 68.7 degrees
  • The lowest monthly average temperature in Troutdale for January is 39.3 degrees
  • The most monthly precipitation in Troutdale occurs in December with 11.5 inches
  • The air quality index in Troutdale is 24% better than the national average
  • The pollution index in Troutdale is 378% worse than the national average

Compare Troutdale, OR Weather

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      Troutdale 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
      January34°F46°F39°F4.4"
      February36°F52°F43°F4.5"
      March40°F60°F49°F6.7"
      April42°F61°F51°F4.9"
      May48°F70°F58°F4.0"
      June51°F72°F61°F4.2"
      July57°F84°F69°F1.7"
      August54°F84°F67°F5.0"
      September48°F75°F60°F3.9"
      October47°F63°F54°F5.4"
      November38°F51°F44°F8.4"
      December35°F45°F39°F11.5"

      Troutdale 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.
      IndexTroutdaleOregonNational
      Air quality index383250
      Pollution index24,235,4005,374,5275,066,862

      Troutdale 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

      Troutdale air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.250%
      Carbon Tetrachloride0.060%
      Lead0.160%
      Mercury0.090%

      Average monthly Troutdale temperature with heat index

      Troutdale monthly precipitation with daily maximum

      Troutdale monthly snow depth with daily maximum

      Troutdale monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Maywood Park, OR9393824%
      Fern Prairie, WA2,4533824%
      Washougal, WA14,9873824%
      Milwaukie, OR20,6433824%
      Sandy, OR10,3693824%
      Troutdale, OR16,5353824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Brenham, TX16,535524%
      Shorewood, IL16,5390100%
      Glen Allen, VA16,5244412%
      Tanque Verde, AZ16,546476%
      Myrtle Grove, FL16,5474118%
      Troutdale, OR16,5353824%
      Source: The Troutdale, 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.