TODAY MAR28
TEMPERATURE39
HUMIDITY96
PRESSURE
WIND COND.210 4.8
  • 4934Thu100%80%
  • 5835Fri30%
  • 6235Sat20%
  • 6236Sun
  • 7041Mon
daynightWeather update from ILLINOIS VALLEY AIRPORT at
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Weather Quick Facts

  • The highest monthly average temperature in Selma for August is 64.6 degrees
  • The lowest monthly average temperature in Selma for December is 35.9 degrees
  • The most monthly precipitation in Selma occurs in December with 8.9 inches
  • The air quality index in Selma is 38% better than the national average
  • The pollution index in Selma is 408% worse than the national average

Compare Selma, OR Weather

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      Selma 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
      January33°F44°F38°F6.6"
      February33°F45°F38°F6.4"
      March33°F47°F39°F6.7"
      April35°F53°F42°F3.3"
      May41°F63°F49°F2.2"
      June46°F69°F55°F1.3"
      July54°F78°F64°F0.3"
      August55°F79°F65°F0.2"
      September51°F72°F59°F1.0"
      October44°F59°F50°F3.8"
      November36°F47°F41°F6.1"
      December31°F42°F36°F8.9"

      Selma 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.
      IndexSelmaOregonNational
      Air quality index263242
      Pollution index13,842,6007,156,3562,726,193

      Selma air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality283
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality2

      Selma air quality information

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

      Average monthly Selma temperature with heat index

      Selma monthly precipitation with daily maximum

      Selma monthly snow depth with daily maximum

      Selma monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Grants Pass, OR37,9382648.0%
      Cave Junction, OR2,1532648.0%
      New Hope, OR1,2362648.0%
      Kerby, OR2822648.0%
      Redwood, OR2,8602648.0%
      Selma, OR9132648.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Okoboji, IA9133236.0%
      Little Rock, MN9133334.0%
      Humboldt, NE9133138.0%
      Roosevelt, NJ9134118.0%
      Unadilla, NY9132746.0%
      Selma, OR9132648.0%
      Source: The Selma, 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.