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Key findings

  • The highest monthly average temperature in Allerton for July is 76 degrees
  • The lowest monthly average temperature in Allerton for January is 24 degrees
  • The most monthly precipitation in Allerton occurs in August with 10.2 inches
  • The air quality index in Allerton is 22% better than the national average
  • The pollution index in Allerton is 97% better than the national average

Compare Allerton, IA Weather

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      Allerton 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
      January17°F33°F24°F2.8"
      February20°F37°F27°F3.3"
      March33°F55°F43°F3.3"
      April42°F63°F51°F6.4"
      May53°F74°F63°F7.9"
      June63°F82°F72°F9.5"
      July66°F87°F76°F3.7"
      August67°F87°F76°F10.2"
      September57°F79°F67°F7.1"
      October46°F66°F55°F5.5"
      November32°F52°F41°F3.2"
      December18°F33°F25°F3.4"

      Allerton 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.
      IndexAllertonIowaNational
      Air quality index393950
      Pollution index141,6341,643,8365,066,862

      Allerton air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality306
      Days with moderate air quality59
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Allerton air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Allerton temperature with heat index

      Allerton monthly precipitation with daily maximum

      Allerton monthly snow depth with daily maximum

      Allerton monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Seymour, IA6563922%
      Millerton, IA963922%
      Lineville, IA2093922%
      Clio, IA863922%
      Garden Grove, IA1833922%
      Allerton, IA5493922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Stockport, OH5492550%
      Wampsville, NY5493726%
      Middle Point, OH5493922%
      Gouglersville, PA5494216%
      Hector, AR5493628%
      Allerton, IA5493922%
      Source: The Allerton, IA 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.