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Key findings

  • The highest monthly average temperature in Union Hill for July is 74.5 degrees
  • The lowest monthly average temperature in Union Hill for January is 25.5 degrees
  • The most monthly precipitation in Union Hill occurs in August with 9.8 inches
  • The air quality index in Union Hill is 100% better than the national average
  • The pollution index in Union Hill is 66% better than the national average

Compare Union Hill, IL Weather

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      Union Hill 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
      January18°F34°F25°F3.2"
      February19°F36°F27°F2.6"
      March32°F51°F40°F3.2"
      April41°F64°F51°F5.2"
      May51°F74°F62°F5.3"
      June61°F83°F71°F9.7"
      July64°F86°F74°F5.3"
      August62°F84°F73°F9.8"
      September55°F79°F66°F6.1"
      October44°F65°F54°F7.0"
      November34°F52°F42°F3.8"
      December24°F38°F31°F3.7"

      Union Hill 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.
      IndexUnion HillIllinoisNational
      Air quality index04150
      Pollution index1,736,9303,347,2955,066,862

      Union Hill air quality information

      MeasurementTotal
      Days measured335
      Days with good air quality334
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Union Hill air quality information

      PollutantTotal
      Arsenic0.004%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.001%

      Average monthly Union Hill temperature with heat index

      Union Hill monthly precipitation with daily maximum

      Union Hill monthly snow depth with daily maximum

      Union Hill monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Braceville, IL7350100%
      Diamond, IL2,7330100%
      Godley, IL7300100%
      South Wilmington, IL8080100%
      Kempton, IL1500100%
      Union Hill, IL320100%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Virgil, KS322256%
      Preston, NE324314%
      Venturia, ND322060%
      Caballo, NM32512%
      Benton, AL32524%
      Union Hill, IL320100%
      Source: The Union Hill, 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.