| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 50°F | 43°F | 11.1" |
| February | 38°F | 54°F | 46°F | 7.1" |
| March | 46°F | 65°F | 56°F | 6.7" |
| April | 54°F | 74°F | 65°F | 10.2" |
| May | 62°F | 81°F | 72°F | 7.9" |
| June | 71°F | 89°F | 81°F | 4.8" |
| July | 73°F | 90°F | 82°F | 5.6" |
| August | 72°F | 90°F | 82°F | 7.4" |
| September | 65°F | 84°F | 75°F | 33.9" |
| October | 54°F | 74°F | 64°F | 26.5" |
| November | 44°F | 63°F | 54°F | 11.0" |
| December | 39°F | 55°F | 47°F | 12.3" |
| Index | Scottsboro | Alabama | National |
| Air quality index | 39 | 37 | 42 |
| Pollution index | 2,295,500 | 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 | 0.002% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Powell, AL | 1,071 | 39 | 22.0% |
| Section, AL | 998 | 39 | 22.0% |
| Rainsville, AL | 5,038 | 39 | 22.0% |
| Langston, AL | 211 | 39 | 22.0% |
| Dutton, AL | 506 | 39 | 22.0% |
| Scottsboro, AL | 14,452 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| Mill Valley, CA | 14,456 | 40 | 20.0% |
| North Auburn, CA | 14,446 | 52 | 4.0% |
| Midlothian, IL | 14,464 | 55 | 10.0% |
| Norridge, IL | 14,465 | 55 | 10.0% |
| Owosso, MI | 14,476 | 38 | 24.0% |
| Scottsboro, AL | 14,452 | 39 | 22.0% |
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