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Key findings

  • The highest monthly average temperature in Pearl City for July is 72 degrees
  • The lowest monthly average temperature in Pearl City for January is 22 degrees
  • The most monthly precipitation in Pearl City occurs in August with 7.3 inches
  • The air quality index in Pearl City is 16% better than the national average
  • The pollution index in Pearl City is 86% better than the national average

Compare Pearl City, IL Weather

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      Pearl City 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
      January14°F30°F22°F2.9"
      February15°F31°F23°F2.3"
      March29°F47°F37°F3.6"
      April38°F61°F48°F5.4"
      May49°F72°F60°F5.5"
      June58°F80°F69°F6.3"
      July62°F82°F72°F5.8"
      August60°F81°F70°F7.3"
      September52°F75°F63°F4.7"
      October42°F62°F51°F5.8"
      November30°F48°F39°F4.0"
      December19°F33°F26°F3.4"

      Pearl City 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.
      IndexPearl CityIllinoisNational
      Air quality index424150
      Pollution index701,0523,347,2955,066,862

      Pearl City air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality268
      Days with moderate air quality96
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Pearl City air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Pearl City temperature with heat index

      Pearl City monthly precipitation with daily maximum

      Pearl City monthly snow depth with daily maximum

      Pearl City monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Nora, IL1572942%
      Stockton, IL1,8772942%
      Freeport, IL24,7844216%
      Lanark, IL1,5424216%
      Orangeville, IL8954216%
      Pearl City, IL8754216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Inyokern, CA8756734%
      Greenwood, FL8753530%
      Cooleemee, NC8754020%
      Dobbins Heights, NC8754118%
      St. George, KS8753236%
      Pearl City, IL8754216%
      Source: The Pearl City, IL 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.