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Key findings

  • The highest monthly average temperature in Clay for July is 80.6 degrees
  • The lowest monthly average temperature in Clay for January is 44.9 degrees
  • The most monthly precipitation in Clay occurs in July with 6.2 inches
  • The air quality index in Clay is 7% worse than the national average
  • The pollution index in Clay is 597% worse than the national average

Compare Clay, AL Weather

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      Clay 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
      January35°F56°F45°F5.0"
      February38°F59°F47°F5.3"
      March46°F69°F56°F5.6"
      April53°F77°F65°F5.9"
      May61°F82°F71°F4.9"
      June70°F90°F79°F4.6"
      July72°F91°F81°F6.2"
      August72°F91°F80°F5.0"
      September66°F86°F75°F4.0"
      October54°F77°F64°F3.3"
      November43°F67°F54°F3.6"
      December39°F58°F48°F5.7"

      Clay 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.
      IndexClayAlabamaNational
      Air quality index533750
      Pollution index18,988,2003,012,3392,726,193

      Clay air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality150
      Days with moderate air quality197
      Days w/ poor A.Q. for sensitive groups18
      Days with unhealthy air quality0

      Clay air quality information

      PollutantTotal
      Arsenic0.570%
      Benzene0.220%
      Carbon Tetrachloride0.040%
      Lead1.020%
      Mercury1.230%

      Average monthly Clay temperature with heat index

      Clay monthly precipitation with daily maximum

      Clay monthly snow depth with daily maximum

      Clay monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Odenville, AL3,7003824.0%
      Highland Lake, AL3974314.0%
      Allgood, AL6634314.0%
      Birmingham, AL212,424536.0%
      Morris, AL1,775536.0%
      Clay, AL9,659536.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Sparta, WI9,6593530.0%
      Roxborough Park, CO9,6575816.0%
      Farnham, QC9,662n/a 
      Eidson Road, TX9,6542550.0%
      Pont-Rouge, QC9,651n/a 
      Clay, AL9,659536.0%
      Source: The Clay, AL 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.