| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 39°F | 64°F | 50°F | 3.7" |
| February | 40°F | 66°F | 52°F | 4.6" |
| March | 47°F | 74°F | 60°F | 3.7" |
| April | 54°F | 81°F | 67°F | 4.7" |
| May | 62°F | 88°F | 74°F | 2.2" |
| June | 71°F | 93°F | 80°F | 5.1" |
| July | 73°F | 94°F | 82°F | 4.9" |
| August | 73°F | 93°F | 81°F | 5.8" |
| September | 68°F | 90°F | 77°F | 2.9" |
| October | 56°F | 82°F | 68°F | 2.1" |
| November | 45°F | 73°F | 58°F | 2.2" |
| December | 43°F | 67°F | 53°F | 5.6" |
| Index | Sumner | Georgia | National |
| Air quality index | 40 | 41 | 50 |
| Pollution index | 750,179 | 3,237,553 | 5,066,862 |
| Measurement | Total |
| Days measured | 356 |
| Days with good air quality | 236 |
| Days with moderate air quality | 118 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.001% |
| Mercury | 0.000% |
| City, State | Population | Air Quality Index | National Avg. |
| Phillipsburg, GA | 442 | 26 | 48% |
| Unionville, GA | 1,625 | 26 | 48% |
| Tifton, GA | 16,691 | 26 | 48% |
| Ashburn, GA | 3,782 | 40 | 20% |
| Ty Ty, GA | 1,015 | 40 | 20% |
| Sumner, GA | 428 | 40 | 20% |
| City, State | Population | Air Quality Index | National Avg. |
| Pollock, LA | 428 | 30 | 40% |
| Ewing, NE | 428 | 19 | 62% |
| Braswell, GA | 428 | 44 | 12% |
| Sarita, TX | 428 | 30 | 40% |
| Bayfield, WI | 428 | 35 | 30% |
| Sumner, GA | 428 | 40 | 20% |
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