Simpson, IL Weather - Forecast & Monthly Averages

TEMPERATURE	41
HUMIDITY	62
PRESSURE	101730
WIND COND.	300 16.6

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Weather Quick Facts

The highest monthly average temperature in Simpson for July is 77.7 degrees
The lowest monthly average temperature in Simpson for January is 35.7 degrees
The most monthly precipitation in Simpson occurs in April with 8.6 inches
The air quality index in Simpson is 5% worse than the national average
The pollution index in Simpson is 95% better than the national average

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Simpson 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	28°F	46°F	36°F	5.4"
February	30°F	48°F	38°F	3.9"
March	40°F	60°F	49°F	7.8"
April	49°F	72°F	60°F	8.6"
May	58°F	79°F	67°F	6.3"
June	67°F	88°F	77°F	6.6"
July	69°F	88°F	78°F	6.4"
August	67°F	88°F	77°F	6.0"
September	59°F	82°F	70°F	5.5"
October	48°F	72°F	59°F	5.5"
November	38°F	59°F	47°F	5.8"
December	32°F	48°F	39°F	6.3"

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Simpson 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	Simpson	Illinois	National
Air quality index	44	41	42
Pollution index	125,359	3,148,694	2,726,193

Simpson air quality

Measurement	Total
Days measured	364
Days with good air quality	261
Days with moderate air quality	103
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.003%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Simpson temperature with heat index

Simpson monthly precipitation with daily maximum

Simpson monthly snow depth with daily maximum

Simpson monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Cypress, IL	216	44	12.0%
Eddyville, IL	71	44	12.0%
Vienna, IL	1,587	44	12.0%
Golconda, IL	1,136	44	12.0%
Goreville, IL	1,120	44	12.0%
Simpson, IL	69	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Datto, AR	69	26	48.0%
Jericho, AR	69	45	10.0%
Moskowite Corner, CA	69	35	30.0%
Trona, CA	69	15	70.0%
Hartman, CO	69	15	70.0%
Simpson, IL	69	44	12.0%

Source: The Simpson, 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.