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Key findings

  • The highest monthly average temperature in Bethany for August is 81.6 degrees
  • The lowest monthly average temperature in Bethany for January is 36.1 degrees
  • The most monthly precipitation in Bethany occurs in August with 14.7 inches
  • The air quality index in Bethany is 3% better than the national average
  • The pollution index in Bethany is 74% better than the national average

Compare Bethany, OK Weather

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      Bethany 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
      January28°F46°F36°F4.0"
      February34°F54°F42°F2.0"
      March45°F67°F54°F11.3"
      April48°F70°F58°F3.7"
      May61°F79°F69°F8.8"
      June68°F86°F77°F13.3"
      July70°F90°F80°F7.4"
      August72°F92°F82°F14.7"
      September66°F87°F76°F4.0"
      October54°F75°F63°F9.3"
      November42°F66°F52°F3.0"
      December28°F50°F38°F0.9"

      Bethany 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.
      IndexBethanyOklahomaNational
      Air quality index485550
      Pollution index715,4821,271,5332,726,193

      Bethany air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality204
      Days with moderate air quality159
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Bethany air quality information

      PollutantTotal
      Arsenic0.100%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.030%
      Mercury0.070%

      Average monthly Bethany temperature with heat index

      Bethany monthly precipitation with daily maximum

      Bethany monthly snow depth with daily maximum

      Bethany monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Moore, OK59,501484.0%
      Nichols Hills, OK3,864484.0%
      Del City, OK21,962484.0%
      Smith Village, OK76484.0%
      Tuttle, OK6,576484.0%
      Bethany, OK19,582484.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Dickinson, TX19,583524.0%
      Lynbrook, NY19,584512.0%
      Stony Plain, AB19,599n/a 
      Stephenville, TX19,5613334.0%
      Madisonville, KY19,6154314.0%
      Bethany, OK19,582484.0%
      Source: The Bethany, OK 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.