| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 34°F | 25°F | 2.5" |
| February | 19°F | 36°F | 27°F | 2.8" |
| March | 31°F | 50°F | 39°F | 4.5" |
| April | 41°F | 63°F | 51°F | 4.9" |
| May | 50°F | 73°F | 61°F | 4.7" |
| June | 60°F | 83°F | 71°F | 5.4" |
| July | 64°F | 85°F | 74°F | 5.7" |
| August | 62°F | 83°F | 72°F | 6.8" |
| September | 55°F | 77°F | 65°F | 5.4" |
| October | 44°F | 64°F | 53°F | 5.7" |
| November | 33°F | 51°F | 41°F | 4.9" |
| December | 23°F | 37°F | 30°F | 3.7" |
| Index | Minooka | Illinois | National |
| Air quality index | 0 | 41 | 50 |
| Pollution index | 1,736,930 | 3,347,295 | 5,066,862 |
| Measurement | Total |
| Days measured | 335 |
| Days with good air quality | 334 |
| Days with moderate air quality | 1 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.001% |
| Mercury | 0.001% |
| City, State | Population | Air Quality Index | National Avg. |
| Braidwood, IL | 6,102 | 0 | 100% |
| Godley, IL | 730 | 0 | 100% |
| Wilmington village, IL | 144 | 0 | 100% |
| Lisbon, IL | 397 | 0 | 100% |
| Yorkville, IL | 18,436 | 0 | 100% |
| Minooka, IL | 11,786 | 0 | 100% |
| City, State | Population | Air Quality Index | National Avg. |
| Beachwood, OH | 11,786 | 50 | = 100 |
| Hawaiian Paradise Park, HI | 11,787 | 16 | 68% |
| Florham Park, NJ | 11,787 | 51 | 2% |
| Citrus, CA | 11,780 | 72 | 44% |
| Dranesville, VA | 11,792 | 47 | 6% |
| Minooka, IL | 11,786 | 0 | 100% |
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