TODAY MAR07
TEMPERATURE22
HUMIDITY84
PRESSURE30.39
WIND COND.
  • 5238
  • 5938Mon
  • 6353Tue
  • 6149Wed60%
  • 5434Thu
daynightWeather update from Chicago/Waukegan Regional Airport at

Key findings

  • The highest monthly average temperature in Round Lake Heights for July is 72 degrees
  • The lowest monthly average temperature in Round Lake Heights for January is 24 degrees
  • The most monthly precipitation in Round Lake Heights occurs in June with 4.5 inches
  • The air quality index in Round Lake Heights is 22% better than the national average
  • The pollution index in Round Lake Heights is 89% better than the national average

Compare Round Lake Heights, IL Weather

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      Round Lake Heights 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
      January16°F32°F24°F1.4"
      February17°F33°F25°F1.5"
      March28°F45°F36°F2.6"
      April37°F57°F46°F4.1"
      May47°F68°F57°F3.7"
      June57°F77°F67°F4.5"
      July63°F82°F72°F4.4"
      August62°F80°F71°F3.7"
      September55°F73°F64°F3.3"
      October44°F62°F52°F3.4"
      November33°F49°F40°F2.0"
      December22°F36°F29°F2.5"

      Round Lake Heights 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.
      IndexRound Lake HeightsIllinoisNational
      Air quality index394150
      Pollution index543,5163,347,2955,066,862

      Round Lake Heights air quality information

      MeasurementTotal
      Days measured203
      Days with good air quality174
      Days with moderate air quality28
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Round Lake Heights air quality information

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

      Average monthly Round Lake Heights temperature with heat index

      Round Lake Heights monthly precipitation with daily maximum

      Round Lake Heights monthly snow depth with daily maximum

      Round Lake Heights monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bloomfield, WI4,7003726%
      Greenwood, IL4253726%
      Lake Ivanhoe, WI4823726%
      Gages Lake, IL10,0413922%
      Holiday Hills, IL6983922%
      Round Lake Heights, IL3,1103922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Hicksville, OH3,1104510%
      Clare, MI3,1103628%
      Hiawatha, KS3,1094314%
      Lake Holm, WA3,1114510%
      Zillah, WA3,1113824%
      Round Lake Heights, IL3,1103922%
      Source: The Round Lake Heights, 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.