| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 57°F | 44°F | 5.0" |
| February | 36°F | 60°F | 47°F | 4.7" |
| March | 44°F | 69°F | 55°F | 5.5" |
| April | 51°F | 77°F | 63°F | 4.9" |
| May | 59°F | 82°F | 70°F | 4.6" |
| June | 67°F | 90°F | 77°F | 3.3" |
| July | 70°F | 91°F | 79°F | 5.0" |
| August | 70°F | 91°F | 79°F | 4.5" |
| September | 64°F | 86°F | 74°F | 2.5" |
| October | 52°F | 76°F | 63°F | 3.6" |
| November | 41°F | 66°F | 52°F | 3.7" |
| December | 38°F | 59°F | 47°F | 5.4" |
| Index | Jacksonville | Alabama | National |
| Air quality index | 43 | 37 | 42 |
| Pollution index | 5,453,470 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 279 |
| Days with good air quality | 232 |
| Days with moderate air quality | 47 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.280% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Anniston, AL | 21,518 | 38 | 24.0% |
| Hobson City, AL | 777 | 38 | 24.0% |
| West End-Cobb Town, AL | 3,492 | 38 | 24.0% |
| Choccolocco, AL | 3,246 | 38 | 24.0% |
| Oxford, AL | 21,282 | 38 | 24.0% |
| Jacksonville, AL | 12,796 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Lindsay, CA | 12,793 | 66 | 32.0% |
| McComb, MS | 12,788 | 30 | 40.0% |
| Herrin, IL | 12,806 | 43 | 14.0% |
| Mercerville, NJ | 12,783 | 41 | 18.0% |
| Brighton, ON | 12,811 | n/a | |
| Jacksonville, AL | 12,796 | 43 | 14.0% |
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