| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 30°F | 52°F | 40°F | 9.4" |
| February | 33°F | 56°F | 43°F | 6.6" |
| March | 41°F | 65°F | 52°F | 7.6" |
| April | 49°F | 75°F | 61°F | 8.5" |
| May | 57°F | 80°F | 68°F | 8.0" |
| June | 65°F | 89°F | 76°F | 4.2" |
| July | 68°F | 90°F | 78°F | 7.3" |
| August | 67°F | 90°F | 77°F | 6.7" |
| September | 61°F | 85°F | 71°F | 7.0" |
| October | 48°F | 75°F | 60°F | 8.0" |
| November | 38°F | 63°F | 49°F | 7.2" |
| December | 35°F | 55°F | 43°F | 11.2" |
| Index | Jasper | Alabama | National |
| Air quality index | 53 | 37 | 42 |
| Pollution index | 3,823,960 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 150 |
| Days with moderate air quality | 197 |
| Days w/ poor A.Q. for sensitive groups | 18 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.160% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.050% |
| Mercury | 0.410% |
| City | Population | Air Quality Index | National Avg. |
| Carbon Hill, AL | 1,354 | 35 | 30.0% |
| Oakman, AL | 853 | 35 | 30.0% |
| Nauvoo, AL | 129 | 41 | 18.0% |
| Parrish, AL | 1,102 | 53 | 6.0% |
| West Jefferson, AL | 462 | 53 | 6.0% |
| Jasper, AL | 13,584 | 53 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Olean, NY | 13,580 | 9 | 82.0% |
| Iona, FL | 13,588 | 36 | 28.0% |
| Oatfield, OR | 13,588 | 38 | 24.0% |
| Forest City, FL | 13,592 | 39 | 22.0% |
| Jensen Beach, FL | 13,592 | 36 | 28.0% |
| Jasper, AL | 13,584 | 53 | 6.0% |
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