TODAY JUN02
TEMPERATURE74
HUMIDITY48
PRESSURE29.94
WIND COND.200 17.2
  • 9170Tue30%
  • 8259Wed50%40%
  • 8465Thu30%
  • 8460Fri
  • 7556Sat
daynightWeather update from Chicago/Waukegan Regional Airport at
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Round Lake Beach 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"

Did you know?

  • The highest monthly average temperature in Round Lake Beach for July is 72 degrees.
  • The lowest monthly average temperature in Round Lake Beach for January is 24 degrees.
  • The most monthly precipitation in Round Lake Beach occurs in June with 4.5 inches.
  • The air quality index in Round Lake Beach is 30% better than the national average.
  • The pollution index in Round Lake Beach is 89% better than the national average.

Compare Round Lake Beach, IL Weather To Other Cities

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      Round Lake Beach 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 BeachIllinoisNational
      Air quality index354150
      Pollution index543,5163,347,2955,066,862

      Round Lake Beach air quality information

      MeasurementTotal
      Days measured189
      Days with good air quality178
      Days with moderate air quality11
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Round Lake Beach air quality information

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

      Average monthly Round Lake Beach temperature with heat index

      Round Lake Beach monthly precipitation with daily maximum

      Round Lake Beach monthly snow depth with daily maximum

      Round Lake Beach monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bull Valley, IL1,2133138%
      Lake in the Hills, IL28,9083138%
      Crystal Lake, IL40,4753138%
      Antioch, IL14,3423530%
      Fox Lake Hills, IL2,1963530%
      Round Lake Beach, IL27,9363530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      French Valley, CA27,9498570%
      Oakdale, MN27,9564412%
      Woodstock, GA27,964524%
      Glen Ellyn, IL27,8946020%
      Bella Vista, AR27,9853922%
      Round Lake Beach, IL27,9363530%
      Source: The Round Lake Beach, 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.