TODAY SEP20
TEMPERATURE43
HUMIDITY100
PRESSURE
WIND COND.
  • 7749Sat
  • 7752Sun
  • 7856Mon
  • 8655Tue
  • 7952Wed
daynightWeather update from RYE MOUNTAIN at
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Weather Quick Facts

  • The highest monthly average temperature in Willamina for July is 68.6 degrees
  • The lowest monthly average temperature in Willamina for January is 39.7 degrees
  • The most monthly precipitation in Willamina occurs in December with 10.4 inches
  • The air quality index in Willamina is 24% better than the national average
  • The pollution index in Willamina is 17% worse than the national average

Compare Willamina, OR Weather

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      Willamina 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°F48°F40°F4.4"
      February34°F53°F43°F4.3"
      March39°F60°F48°F3.8"
      April40°F62°F50°F2.8"
      May45°F70°F57°F3.3"
      June48°F73°F60°F2.8"
      July53°F85°F69°F1.2"
      August51°F86°F67°F3.2"
      September46°F77°F61°F3.1"
      October45°F63°F52°F4.0"
      November36°F53°F43°F5.8"
      December36°F47°F41°F10.4"

      Willamina 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.
      IndexWillaminaOregonNational
      Air quality index323242
      Pollution index3,182,1807,156,3562,726,193

      Willamina air quality information

      MeasurementTotal
      Days measured356
      Days with good air quality302
      Days with moderate air quality54
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Willamina air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.040%
      Carbon Tetrachloride0.030%
      Lead0.190%
      Mercury0.110%

      Average monthly Willamina temperature with heat index

      Willamina monthly precipitation with daily maximum

      Willamina monthly snow depth with daily maximum

      Willamina monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Falls City, OR1,4963236.0%
      Sheridan, OR6,1223236.0%
      Fort Hill, OR1013236.0%
      Amity, OR1,5573236.0%
      Dallas, OR16,6123236.0%
      Willamina, OR2,4253236.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lake Mack-Forest Hills, FL2,4253726.0%
      Anahola, HI2,4251374.0%
      Beverly, NJ2,425512.0%
      Poland, OH2,4254216.0%
      Flandreau, SD2,4254216.0%
      Willamina, OR2,4253236.0%
      Source: The Willamina, 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.