| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 28°F | 43°F | 34°F | 9.8" |
| February | 26°F | 45°F | 34°F | 4.7" |
| March | 38°F | 60°F | 48°F | 2.9" |
| April | 45°F | 68°F | 56°F | 5.6" |
| May | 56°F | 79°F | 67°F | 3.7" |
| June | 65°F | 88°F | 76°F | 7.6" |
| July | 67°F | 88°F | 77°F | 12.3" |
| August | 70°F | 93°F | 80°F | 7.2" |
| September | 61°F | 85°F | 72°F | 16.1" |
| October | 49°F | 72°F | 59°F | 7.5" |
| November | 38°F | 59°F | 47°F | 11.9" |
| December | 27°F | 42°F | 33°F | 2.9" |
| Index | Breese | Illinois | National |
| Air quality index | 43 | 41 | 42 |
| Pollution index | 647,280 | 3,148,694 | 2,726,193 |
| Measurement | Total |
| Days measured | 344 |
| Days with good air quality | 269 |
| Days with moderate air quality | 74 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Carlyle, IL | 3,595 | 43 | 14.0% |
| Hoyleton, IL | 507 | 43 | 14.0% |
| Huey, IL | 136 | 43 | 14.0% |
| Bartelso, IL | 789 | 43 | 14.0% |
| Germantown, IL | 1,279 | 43 | 14.0% |
| Breese, IL | 4,160 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Cotulla, TX | 4,160 | 41 | 18.0% |
| North Pembroke, MA | 4,159 | 43 | 14.0% |
| Brices Creek, NC | 4,158 | 37 | 26.0% |
| Liberty, NY | 4,162 | 36 | 28.0% |
| Jasper, FL | 4,157 | 35 | 30.0% |
| Breese, IL | 4,160 | 43 | 14.0% |
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