Round Lake, IL Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Round Lake for July is 72 degrees
The lowest monthly average temperature in Round Lake for January is 23.8 degrees
The most monthly precipitation in Round Lake occurs in June with 4.5 inches
The air quality index in Round Lake is 7% better than the national average
The pollution index in Round Lake is 80% better than the national average

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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.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	16°F	32°F	24°F	1.4"
February	17°F	33°F	25°F	1.5"
March	28°F	45°F	36°F	2.6"
April	37°F	57°F	46°F	4.1"
May	47°F	68°F	57°F	3.7"
June	57°F	77°F	67°F	4.5"
July	63°F	82°F	72°F	4.4"
August	62°F	80°F	71°F	3.7"
September	55°F	73°F	64°F	3.3"
October	44°F	62°F	52°F	3.4"
November	33°F	49°F	40°F	2.0"
December	22°F	36°F	29°F	2.5"

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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.
Index	Round Lake	Illinois	National
Air quality index	39	41	42
Pollution index	543,516	3,148,694	2,726,193

Round Lake air quality

Measurement	Total
Days measured	203
Days with good air quality	174
Days with moderate air quality	28
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.004%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

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	Population	Air Quality Index	National Avg.
Bloomfield, WI	4,725	37	26.0%
Greenwood, IL	352	37	26.0%
Round Lake Beach, IL	27,313	39	22.0%
Silver Lake, WI	2,506	39	22.0%
Gages Lake, IL	9,939	39	22.0%
Round Lake, IL	18,235	39	22.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
North Massapequa, NY	18,239	51	2.0%
Trenton, MI	18,214	56	12.0%
Marshfield, WI	18,214	34	32.0%
San Carlos Park, FL	18,256	36	28.0%
Steinbach, MB	18,212	n/a
Round Lake, IL	18,235	39	22.0%

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.