Lyndon, IL Weather Forecast & Monthly Average Temperatures

TEMPERATURE	25
HUMIDITY	92
PRESSURE	30.16
WIND COND.	230 3.4

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Lyndon 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	18°F	33°F	25°F	2.9"
February	17°F	32°F	24°F	2.5"
March	31°F	52°F	39°F	4.5"
April	39°F	65°F	50°F	6.4"
May	50°F	76°F	62°F	3.5"
June	61°F	86°F	73°F	6.1"
July	61°F	86°F	73°F	7.8"
August	64°F	85°F	73°F	9.2"
September	55°F	82°F	67°F	3.9"
October	45°F	69°F	56°F	1.9"
November	30°F	52°F	40°F	4.2"
December	17°F	31°F	23°F	1.5"

Did you know?

The highest monthly average temperature in Lyndon for August is 73 degrees.
The lowest monthly average temperature in Lyndon for December is 23 degrees.
The most monthly precipitation in Lyndon occurs in August with 9.2 inches.
The air quality index in Lyndon is 6% worse than the national average.
The pollution index in Lyndon is 58% better than the national average.

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Lyndon 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	Lyndon	Illinois	National
Air quality index	53	41	50
Pollution index	2,097,740	3,347,295	5,066,862

Lyndon air quality information

Measurement	Total
Days measured	365
Days with good air quality	158
Days with moderate air quality	204
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality

Lyndon air quality information

Pollutant	Total
Arsenic	0.001%
Benzene	0.060%
Carbon Tetrachloride	0.000%
Lead	0.001%
Mercury	0.300%

Average monthly Lyndon temperature with heat index

Lyndon monthly precipitation with daily maximum

Lyndon monthly snow depth with daily maximum

Lyndon monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Clinton, IA	26,148	53	6%
Erie, IL	1,545	53	6%
Morrison, IL	3,992	53	6%
Sterling, IL	15,071	53	6%
Coleta, IL	196	53	6%
Lyndon, IL	690	53	6%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Villa Pancho, TX	690	41	18%
Big Point, MS	690	32	36%
Leary, GA	690	43	14%
Roby, TX	690	26	48%
Gambell, AK	690	37	26%
Lyndon, IL	690	53	6%

Source: The Lyndon, 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.