Royal Lakes, IL Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Royal Lakes for July is 75.9 degrees
The lowest monthly average temperature in Royal Lakes for January is 29.4 degrees
The most monthly precipitation in Royal Lakes occurs in April with 9.3 inches
The air quality index in Royal Lakes is 28% worse than the national average
The pollution index in Royal Lakes is 58% better than the national average

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Royal Lakes 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	23°F	38°F	29°F	3.3"
February	24°F	40°F	31°F	3.5"
March	36°F	55°F	44°F	3.9"
April	45°F	67°F	55°F	9.3"
May	55°F	75°F	64°F	5.6"
June	64°F	84°F	73°F	7.9"
July	66°F	86°F	76°F	5.0"
August	65°F	86°F	74°F	5.1"
September	57°F	80°F	67°F	6.0"
October	46°F	68°F	56°F	5.6"
November	36°F	54°F	44°F	3.6"
December	28°F	42°F	34°F	3.6"

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Royal Lakes 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	Royal Lakes	Illinois	National
Air quality index	54	41	42
Pollution index	1,150,670	3,148,694	2,726,193

Royal Lakes air quality

Measurement	Total
Days measured	365
Days with good air quality	134
Days with moderate air quality	221
Days w/ poor A.Q. for sensitive groups	8
Days with unhealthy air quality	2

Air quality details

Pollutant	Total
Arsenic	0.001%
Benzene	0.030%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Royal Lakes temperature with heat index

Royal Lakes monthly precipitation with daily maximum

Royal Lakes monthly snow depth with daily maximum

Royal Lakes monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Carlinville, IL	5,804	40	20.0%
Chesterfield, IL	213	40	20.0%
Rockbridge, IL	222	54	8.0%
Shipman, IL	638	54	8.0%
Livingston, IL	812	54	8.0%
Royal Lakes, IL	292	54	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Kalihiwai, HI	292	13	74.0%
Deep River, IA	292	35	30.0%
Kensett, IA	292	15	70.0%
Buncombe, IL	292	44	12.0%
Plainville, IL	292	41	18.0%
Royal Lakes, IL	292	54	8.0%

Source: The Royal Lakes, 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.