| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 39°F | 63°F | 50°F | 6.6" |
| February | 41°F | 67°F | 53°F | 7.7" |
| March | 48°F | 73°F | 60°F | 7.4" |
| April | 54°F | 80°F | 67°F | 9.5" |
| May | 62°F | 86°F | 73°F | 7.6" |
| June | 70°F | 91°F | 80°F | 10.6" |
| July | 72°F | 93°F | 81°F | 9.7" |
| August | 73°F | 92°F | 81°F | 9.9" |
| September | 68°F | 87°F | 76°F | 8.3" |
| October | 57°F | 80°F | 67°F | 7.5" |
| November | 46°F | 72°F | 57°F | 5.5" |
| December | 44°F | 67°F | 54°F | 6.6" |
| Index | Stillmore | Georgia | National |
| Air quality index | 47 | 41 | 42 |
| Pollution index | 353,268 | 1,874,972 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 219 |
| Days with moderate air quality | 144 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.003% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Oak Park, GA | 656 | 26 | 48.0% |
| Metter, GA | 3,962 | 39 | 22.0% |
| Cobbtown, GA | 489 | 39 | 22.0% |
| Swainsboro, GA | 7,418 | 47 | 6.0% |
| Twin City, GA | 1,595 | 47 | 6.0% |
| Stillmore, GA | 716 | 47 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Tyronza, AR | 716 | 45 | 10.0% |
| Green Valley, IL | 716 | 41 | 18.0% |
| Windfall City, IN | 716 | 42 | 16.0% |
| Brookfield, MA | 716 | 40 | 20.0% |
| Glen Ullin, ND | 716 | 33 | 34.0% |
| Stillmore, GA | 716 | 47 | 6.0% |
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