| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 42°F | 31°F | 0.7" |
| February | 24°F | 45°F | 33°F | 1.3" |
| March | 38°F | 59°F | 47°F | 2.5" |
| April | 47°F | 68°F | 56°F | 4.5" |
| May | 56°F | 76°F | 65°F | 5.7" |
| June | 66°F | 86°F | 76°F | 5.1" |
| July | 70°F | 89°F | 79°F | 4.6" |
| August | 68°F | 88°F | 77°F | 4.7" |
| September | 60°F | 80°F | 69°F | 3.4" |
| October | 48°F | 69°F | 58°F | 3.5" |
| November | 38°F | 57°F | 46°F | 2.0" |
| December | 26°F | 44°F | 34°F | 1.5" |
| Index | Independence | Missouri | National |
| Air quality index | 47 | 97 | 42 |
| Pollution index | 7,087,670 | 1,630,255 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 210 |
| Days with moderate air quality | 154 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.050% |
| Carbon Tetrachloride | 1.360% |
| Lead | 0.040% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Mission, KS | 9,936 | 47 | 6.0% |
| Prairie Village, KS | 22,725 | 47 | 6.0% |
| Grain Valley, MO | 14,550 | 47 | 6.0% |
| Raytown, MO | 30,162 | 47 | 6.0% |
| Lee's Summit, MO | 101,898 | 47 | 6.0% |
| Independence, MO | 120,977 | 47 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Fairfield, CA | 121,000 | 35 | 30.0% |
| Richardson, TX | 121,339 | 51 | 2.0% |
| Cambridge, MA | 121,456 | 43 | 14.0% |
| Clearwater, FL | 120,302 | 43 | 14.0% |
| Rochester, MN | 121,687 | 36 | 28.0% |
| Independence, MO | 120,977 | 47 | 6.0% |