TODAY JUN23
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7557Sat
  • 7859Sun
  • 7765Mon20%
  • 8269Tue
  • 8569Wed
daynightWeather update from Chicago/Waukegan Regional Airport at

Round Lake Beach Average Weather

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
January-19°F64°F25°F1.6"
February-11°F60°F25°F1.7"
March9°F78°F35°F2.6"
April21°F84°F47°F3.2"
May32°F91°F56°F3.0"
June37°F95°F67°F3.8"
July48°F100°F71°F2.5"
August48°F98°F71°F4.4"
September37°F93°F64°F3.6"
October25°F87°F52°F3.7"
November12°F72°F41°F1.4"
December-8°F59°F27°F2.7"

Did you know?

  • The highest monthly average temperature in Round Lake Beach for July is 71 degrees.
  • The lowest monthly average temperature in Round Lake Beach for February is 25 degrees.
  • The most monthly precipitation in Round Lake Beach occurs in August with 4.4 inches.
  • The air quality index in Round Lake Beach is 29% better than the national average.
  • The pollution index in Round Lake Beach is 89% better than the national average.

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Compare Round Lake Beach, IL Weather To Other Cities

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.
Lake in the Hills, IL28,9083138%
Crystal Lake, IL40,4753138%
Bull Valley, IL1,2133138%
Libertyville, IL20,4353530%
Long Lake, IL3,5643530%
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.