| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 41°F | 64°F | 52°F | 6.1" |
| February | 43°F | 68°F | 54°F | 5.6" |
| March | 51°F | 76°F | 62°F | 5.0" |
| April | 57°F | 82°F | 69°F | 5.5" |
| May | 64°F | 88°F | 75°F | 4.5" |
| June | 72°F | 94°F | 82°F | 6.5" |
| July | 74°F | 95°F | 83°F | 5.6" |
| August | 74°F | 95°F | 83°F | 6.1" |
| September | 69°F | 90°F | 78°F | 4.3" |
| October | 58°F | 82°F | 69°F | 3.5" |
| November | 47°F | 73°F | 59°F | 3.8" |
| December | 45°F | 68°F | 55°F | 7.9" |
| Index | Brantley | Alabama | National |
| Air quality index | 52 | 37 | 42 |
| Pollution index | 1,560,990 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 171 |
| Days with moderate air quality | 193 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Gantt, AL | 174 | 35 | 30.0% |
| Elba, AL | 3,874 | 35 | 30.0% |
| Goshen, AL | 222 | 52 | 4.0% |
| Dozier, AL | 464 | 52 | 4.0% |
| Luverne, AL | 2,742 | 52 | 4.0% |
| Brantley, AL | 1,042 | 52 | 4.0% |
| City | Population | Air Quality Index | National Avg. |
| Masaryktown, FL | 1,042 | 30 | 40.0% |
| Bethlehem, GA | 1,042 | 44 | 12.0% |
| Hemlock, MI | 1,042 | 26 | 48.0% |
| Cooperstown, ND | 1,042 | 33 | 34.0% |
| Port Byron, NY | 1,042 | 37 | 26.0% |
| Brantley, AL | 1,042 | 52 | 4.0% |
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