| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 31°F | 54°F | 41°F | 5.0" |
| February | 32°F | 57°F | 44°F | 3.9" |
| March | 41°F | 67°F | 53°F | 4.8" |
| April | 49°F | 77°F | 62°F | 6.0" |
| May | 57°F | 83°F | 69°F | 3.7" |
| June | 66°F | 91°F | 78°F | 3.4" |
| July | 70°F | 92°F | 80°F | 5.5" |
| August | 70°F | 92°F | 80°F | 4.2" |
| September | 63°F | 87°F | 73°F | 4.5" |
| October | 50°F | 76°F | 62°F | 4.3" |
| November | 38°F | 65°F | 51°F | 4.5" |
| December | 35°F | 56°F | 45°F | 6.5" |
| Index | Stevenson | Alabama | National |
| Air quality index | 39 | 37 | 42 |
| Pollution index | 1,068,210 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 361 |
| Days with good air quality | 324 |
| Days with moderate air quality | 37 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.001% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Ider, AL | 630 | 39 | 22.0% |
| Pisgah, AL | 908 | 39 | 22.0% |
| Scottsboro, AL | 14,746 | 39 | 22.0% |
| Hollywood, AL | 1,007 | 39 | 22.0% |
| Kimball, TN | 1,617 | 46 | 8.0% |
| Stevenson, AL | 2,413 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| Lamoni, IA | 2,412 | 39 | 22.0% |
| Fairfield Bay, AR | 2,414 | 45 | 10.0% |
| West Branch, IA | 2,414 | 35 | 30.0% |
| Mason City, IL | 2,414 | 40 | 20.0% |
| Lomira, WI | 2,411 | 36 | 28.0% |
| Stevenson, AL | 2,413 | 39 | 22.0% |