TODAY JUL17
TEMPERATURE76
HUMIDITY52
PRESSURE30.08
WIND COND.70 9.2
  • 7858Wed
  • 8166Thu40%
  • 8163Fri50%
  • 7662Sat
  • 7763Sun
daynightWeather update from Chicago/Waukegan Regional Airport at

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

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Compare Round Lake Park, IL Weather To Other Cities

Round Lake Park 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 ParkIllinoisNational
Air quality index354150
Pollution index543,5163,347,2955,066,862

Round Lake Park 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 Park air quality information

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

Average monthly Round Lake Park temperature with heat index

Round Lake Park monthly precipitation with daily maximum

Round Lake Park monthly snow depth with daily maximum

Round Lake Park monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bull Valley, IL1,2133138%
Algonquin, IL30,4133138%
Lake in the Hills, IL28,9083138%
Crystal Lake, IL40,4753138%
Fox Lake Hills, IL2,1963530%
Round Lake Park, IL7,9893530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
York, SC7,9893628%
Oak Brook, IL7,9886020%
Charlestown, IN7,9905510%
Ilion, NY7,9863432%
Summit Park, UT7,986476%
Round Lake Park, IL7,9893530%
Source: The Round Lake Park, 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.