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Key findings

  • The highest monthly average temperature in Posey for July is 86 degrees
  • The lowest monthly average temperature in Posey for December is 49 degrees
  • The most monthly precipitation in Posey occurs in December with 1.3 inches
  • The air quality index in Posey is 35% worse than the national average
  • The pollution index in Posey is 331% worse than the national average

Compare Posey, CA Weather

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      Posey 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
      January39°F61°F49°F1.1"
      February42°F67°F54°F1.0"
      March46°F74°F59°F0.7"
      April49°F79°F63°F0.7"
      May57°F87°F71°F0.3"
      June64°F95°F80°F0.0"
      July71°F101°F86°F0.0"
      August70°F99°F84°F0.0"
      September64°F94°F79°F0.1"
      October54°F82°F67°F0.2"
      November45°F70°F57°F0.5"
      December38°F61°F49°F1.3"

      Posey 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.
      IndexPoseyCaliforniaNational
      Air quality index675550
      Pollution index21,828,10018,106,7265,066,862

      Posey air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality119
      Days with moderate air quality151
      Days w/ poor A.Q. for sensitive groups87
      Days with unhealthy air quality6

      Posey air quality information

      PollutantTotal
      Arsenic0.160%
      Benzene0.440%
      Carbon Tetrachloride0.000%
      Lead0.100%
      Mercury0.200%

      Average monthly Posey temperature with heat index

      Posey monthly precipitation with daily maximum

      Posey monthly snow depth with daily maximum

      Posey monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Kernville, CA1,3196734%
      Wofford Heights, CA1,5906734%
      Sugarloaf Saw Mill, CA06734%
      McClenney Tract, CA26734%
      California Hot Springs, CA686734%
      Posey, CA96734%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Waverly, SD92550%
      Leith, ND93628%
      Calvin, ND93628%
      Tobin, CA9468%
      Tavistock, NJ9512%
      Posey, CA96734%
      Source: The Posey, CA 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.