| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 44°F | 65°F | 53°F | 10.9" |
| February | 43°F | 67°F | 54°F | 4.7" |
| March | 49°F | 74°F | 61°F | 12.3" |
| April | 52°F | 78°F | 64°F | 9.1" |
| May | 62°F | 87°F | 74°F | 6.6" |
| June | 71°F | 91°F | 80°F | 8.8" |
| July | 74°F | 92°F | 81°F | 4.8" |
| August | 75°F | 92°F | 82°F | 10.0" |
| September | 70°F | 90°F | 79°F | 2.3" |
| October | 59°F | 81°F | 69°F | 11.2" |
| November | 48°F | 73°F | 59°F | 8.3" |
| December | 43°F | 66°F | 53°F | 10.8" |
| Index | Donalsonville | Georgia | National |
| Air quality index | 35 | 41 | 42 |
| Pollution index | 2,264,260 | 1,874,972 | 2,726,193 |
| Measurement | Total |
| Days measured | 280 |
| Days with good air quality | 256 |
| Days with moderate air quality | 24 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.020% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Brinson, GA | 155 | 35 | 30.0% |
| Bascom, FL | 99 | 35 | 30.0% |
| Iron City, GA | 305 | 35 | 30.0% |
| Cedar Springs, GA | 80 | 35 | 30.0% |
| Jakin, GA | 243 | 35 | 30.0% |
| Donalsonville, GA | 2,783 | 35 | 30.0% |
| City | Population | Air Quality Index | National Avg. |
| Palisade, CO | 2,783 | 44 | 12.0% |
| Cherry Valley, IL | 2,783 | 42 | 16.0% |
| Honeoye Falls, NY | 2,783 | 37 | 26.0% |
| Saint-Gabriel, QC | 2,783 | n/a | |
| Edneyville, NC | 2,782 | 44 | 12.0% |
| Donalsonville, GA | 2,783 | 35 | 30.0% |
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