Grand Tower, IL Weather Forecast & Monthly Average Temperatures

Current weather conditions temporarily unavailable!

Grand Tower 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	30°F	44°F	36°F	7.5"
February	28°F	46°F	36°F	4.9"
March	38°F	61°F	49°F	4.2"
April	45°F	67°F	56°F	5.8"
May	55°F	79°F	67°F	4.4"
June	65°F	87°F	76°F	5.4"
July	66°F	87°F	76°F	3.6"
August	69°F	92°F	80°F	3.8"
September	60°F	85°F	71°F	5.0"
October	48°F	73°F	59°F	5.5"
November	38°F	59°F	48°F	11.1"
December	28°F	45°F	36°F	6.7"

Did you know?

The highest monthly average temperature in Grand Tower for August is 80 degrees.
The lowest monthly average temperature in Grand Tower for February is 36 degrees.
The most monthly precipitation in Grand Tower occurs in November with 11.1 inches.
The air quality index in Grand Tower is 21% better than the national average.
The pollution index in Grand Tower is 53% better than the national average.

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Grand Tower 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	Grand Tower	Illinois	National
Air quality index	39	41	50
Pollution index	2,331,220	3,347,295	5,066,862

Grand Tower air quality information

Measurement	Total
Days measured	243
Days with good air quality	204
Days with moderate air quality	39
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Grand Tower air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.030%
Carbon Tetrachloride	0.004%
Lead	0.002%
Mercury	0.260%

Average monthly Grand Tower temperature with heat index

Grand Tower monthly precipitation with daily maximum

Grand Tower monthly snow depth with daily maximum

Grand Tower monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Alto Pass, IL	382	36	28%
Oak Ridge, MO	237	36	28%
Anna, IL	4,332	36	28%
Jonesboro, IL	2,005	36	28%
Cobden, IL	1,359	36	28%
Grand Tower, IL	457	39	22%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Hammond, IL	457	39	22%
Rankin, IL	457	36	28%
Goldfield, NV	457	43	14%
Harrisburg, OH	457	43	14%
White Stone, VA	457	39	22%
Grand Tower, IL	457	39	22%

Source: The Grand Tower, 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.