| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 43°F | 34°F | 2.0" |
| February | 28°F | 46°F | 36°F | 2.7" |
| March | 38°F | 59°F | 47°F | 3.6" |
| April | 48°F | 71°F | 58°F | 6.1" |
| May | 57°F | 78°F | 67°F | 4.7" |
| June | 66°F | 88°F | 76°F | 3.8" |
| July | 67°F | 88°F | 76°F | 5.7" |
| August | 65°F | 87°F | 75°F | 2.8" |
| September | 57°F | 82°F | 68°F | 3.2" |
| October | 46°F | 71°F | 57°F | 4.2" |
| November | 36°F | 57°F | 46°F | 4.1" |
| December | 30°F | 46°F | 37°F | 2.7" |
| Index | Springerton | Illinois | National |
| Air quality index | 43 | 41 | 42 |
| Pollution index | 4,489,340 | 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 | 0.080% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.020% |
| Mercury | 0.050% |
| City | Population | Air Quality Index | National Avg. |
| Sims, IL | 167 | 43 | 14.0% |
| Burnt Prairie, IL | 89 | 43 | 14.0% |
| McLeansboro, IL | 2,539 | 43 | 14.0% |
| Wayne City, IL | 934 | 43 | 14.0% |
| Mill Shoals, IL | 171 | 43 | 14.0% |
| Springerton, IL | 67 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Zinc, AR | 67 | 36 | 28.0% |
| Washington Park, AZ | 67 | 60 | 20.0% |
| Beaver, IA | 67 | 37 | 26.0% |
| Curlew, IA | 67 | 15 | 70.0% |
| Kinross, IA | 67 | 35 | 30.0% |
| Springerton, IL | 67 | 43 | 14.0% |
Here are the best places to live in Illinois
Check out the 10 most dangerous cities in Illinois
See the best places to live in Springerton
These are the 10 cheapest cities in Illinois