| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 24°F | 39°F | 30°F | 3.4" |
| February | 26°F | 44°F | 34°F | 4.5" |
| March | 39°F | 60°F | 48°F | 4.2" |
| April | 46°F | 65°F | 55°F | 5.0" |
| May | 57°F | 77°F | 66°F | 15.6" |
| June | 66°F | 84°F | 75°F | 13.9" |
| July | 69°F | 89°F | 79°F | 4.9" |
| August | 71°F | 90°F | 80°F | 14.0" |
| September | 63°F | 83°F | 72°F | 4.6" |
| October | 50°F | 68°F | 58°F | 4.6" |
| November | 38°F | 58°F | 47°F | 2.7" |
| December | 24°F | 39°F | 31°F | 2.8" |
| Index | Greenwood | Missouri | National |
| Air quality index | 47 | 97 | 42 |
| Pollution index | 1,867,810 | 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 | 0.004% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.004% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| West Line, MO | 122 | 47 | 6.0% |
| Harrisonville, MO | 10,084 | 47 | 6.0% |
| Mission Woods, KS | 185 | 47 | 6.0% |
| Raytown, MO | 29,176 | 47 | 6.0% |
| Lake Lotawana, MO | 2,928 | 47 | 6.0% |
| Greenwood, MO | 6,067 | 47 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| El Granada, CA | 6,069 | 43 | 14.0% |
| Pimmit Hills, VA | 6,064 | 47 | 6.0% |
| Pontotoc, MS | 6,070 | 39 | 22.0% |
| Louisville, MS | 6,063 | 36 | 28.0% |
| Laie, HI | 6,071 | 30 | 40.0% |
| Greenwood, MO | 6,067 | 47 | 6.0% |
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