TODAY DEC06
TEMPERATURE34
HUMIDITY61
PRESSURE30.25
WIND COND.10 9.2
  • 3933Sat
  • 4537Sun50%
  • 4219Mon60%
  • 247Tue
  • 169Wed
daynightWeather update from Chicago/Waukegan Regional Airport at
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Round Lake 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 for July is 72 degrees.
  • The lowest monthly average temperature in Round Lake for January is 24 degrees.
  • The most monthly precipitation in Round Lake occurs in June with 4.5 inches.
  • The air quality index in Round Lake is 30% better than the national average.
  • The pollution index in Round Lake is 89% better than the national average.

Compare Round Lake, IL Weather To Other Cities

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

Round Lake 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 air quality information

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

Average monthly Round Lake temperature with heat index

Round Lake monthly precipitation with daily maximum

Round Lake monthly snow depth with daily maximum

Round Lake monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Crystal Lake, IL40,4753138%
Bull Valley, IL1,2133138%
Algonquin, IL30,4133138%
Lakewood, IL4,1113138%
Lake in the Hills, IL28,9083138%
Round Lake, IL18,4253530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Trenton, MI18,426524%
Calverton, MD18,429492%
Bensenville, IL18,4316020%
Frankfort, IL18,4156020%
Yorkville, IL18,436198%
Round Lake, IL18,4253530%
Source: The Round Lake, 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.
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