| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 33°F | 54°F | 43°F | 8.0" |
| February | 35°F | 57°F | 45°F | 6.6" |
| March | 44°F | 67°F | 55°F | 6.9" |
| April | 51°F | 75°F | 63°F | 8.0" |
| May | 59°F | 81°F | 70°F | 8.0" |
| June | 68°F | 88°F | 78°F | 7.0" |
| July | 70°F | 89°F | 79°F | 8.2" |
| August | 70°F | 89°F | 79°F | 7.2" |
| September | 64°F | 83°F | 73°F | 9.0" |
| October | 52°F | 74°F | 62°F | 9.1" |
| November | 41°F | 64°F | 52°F | 8.1" |
| December | 38°F | 57°F | 47°F | 9.2" |
| Index | Vinings | Georgia | National |
| Air quality index | 52 | 41 | 42 |
| Pollution index | 19,982,200 | 1,874,972 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 162 |
| Days with moderate air quality | 184 |
| Days w/ poor A.Q. for sensitive groups | 18 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.210% |
| Benzene | 0.260% |
| Carbon Tetrachloride | 0.050% |
| Lead | 0.100% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Powder Springs, GA | 15,390 | 52 | 4.0% |
| Atlanta, GA | 497,642 | 52 | 4.0% |
| Candler-McAfee, GA | 24,419 | 52 | 4.0% |
| Dunwoody, GA | 49,466 | 52 | 4.0% |
| North Decatur, GA | 15,833 | 52 | 4.0% |
| Vinings, GA | 12,546 | 52 | 4.0% |
| City | Population | Air Quality Index | National Avg. |
| Georgetown, GA | 12,545 | 39 | 22.0% |
| Middleburg, FL | 12,544 | 43 | 14.0% |
| Gulf Shores, AL | 12,550 | 37 | 26.0% |
| Leeds, AL | 12,555 | 53 | 6.0% |
| Bedford, OH | 12,555 | 50 | = 100 |
| Vinings, GA | 12,546 | 52 | 4.0% |
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