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Key findings

  • The highest monthly average temperature in Jacksonville for July is 76 degrees
  • The lowest monthly average temperature in Jacksonville for December is 38 degrees
  • The most monthly precipitation in Jacksonville occurs in December with 3.7 inches
  • The air quality index in Jacksonville is 28% better than the national average
  • The pollution index in Jacksonville is 408% worse than the national average

Compare Jacksonville, OR Weather

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      Jacksonville 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
      January31°F49°F39°F2.6"
      February34°F57°F43°F2.0"
      March37°F61°F48°F2.2"
      April40°F67°F52°F1.4"
      May47°F77°F60°F1.2"
      June52°F84°F67°F0.8"
      July59°F94°F76°F0.3"
      August58°F94°F75°F0.3"
      September51°F87°F67°F0.6"
      October43°F72°F55°F1.5"
      November37°F56°F45°F2.8"
      December32°F47°F38°F3.7"

      Jacksonville 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.
      IndexJacksonvilleOregonNational
      Air quality index363250
      Pollution index13,842,6007,156,3562,726,193

      Jacksonville air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality295
      Days with moderate air quality63
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality4

      Jacksonville air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.210%
      Carbon Tetrachloride0.030%
      Lead0.030%
      Mercury0.020%

      Average monthly Jacksonville temperature with heat index

      Jacksonville monthly precipitation with daily maximum

      Jacksonville monthly snow depth with daily maximum

      Jacksonville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Rogue River, OR2,4722648.0%
      Foots Creek, OR5892648.0%
      Phoenix, OR4,5283628.0%
      Gold Hill, OR1,3023628.0%
      Ashland, OR21,0023628.0%
      Jacksonville, OR2,8453628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Tiger Point, FL2,8454118.0%
      Sublimity, OR2,8453236.0%
      McDougall, ON2,845n/a 
      Pioneer Village, KY2,844492.0%
      Ithaca, MI2,8463628.0%
      Jacksonville, OR2,8453628.0%
      Source: The Jacksonville, 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.