| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 32°F | 58°F | 44°F | 4.2" |
| February | 34°F | 61°F | 46°F | 3.9" |
| March | 41°F | 70°F | 55°F | 4.3" |
| April | 49°F | 78°F | 63°F | 4.1" |
| May | 57°F | 84°F | 70°F | 3.4" |
| June | 66°F | 91°F | 78°F | 4.0" |
| July | 69°F | 93°F | 79°F | 4.5" |
| August | 69°F | 92°F | 79°F | 5.0" |
| September | 63°F | 87°F | 73°F | 3.8" |
| October | 50°F | 77°F | 62°F | 4.1" |
| November | 39°F | 67°F | 52°F | 3.4" |
| December | 36°F | 60°F | 47°F | 5.9" |
| Index | Greensboro | Georgia | National |
| Air quality index | 39 | 41 | 50 |
| Pollution index | 853,938 | 3,237,553 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 272 |
| Days with moderate air quality | 93 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City, State | Population | Air Quality Index | National Avg. |
| Maxeys, GA | 348 | 39 | 22% |
| Woodville, GA | 361 | 39 | 22% |
| Siloam, GA | 448 | 39 | 22% |
| Union Point, GA | 1,542 | 39 | 22% |
| Buckhead, GA | 200 | 39 | 22% |
| Greensboro, GA | 3,400 | 39 | 22% |
| City, State | Population | Air Quality Index | National Avg. |
| Winchendon, MA | 3,400 | 36 | 28% |
| Mariemont, OH | 3,400 | 54 | 8% |
| Kenedy, TX | 3,399 | 27 | 46% |
| Mayfield, OH | 3,401 | 55 | 10% |
| Mansfield, PA | 3,401 | 30 | 40% |
| Greensboro, GA | 3,400 | 39 | 22% |