| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 32°F | 58°F | 44°F | 6.9" |
| February | 34°F | 59°F | 44°F | 6.9" |
| March | 42°F | 70°F | 54°F | 10.5" |
| April | 45°F | 74°F | 58°F | 3.7" |
| May | 54°F | 83°F | 68°F | 2.8" |
| June | 65°F | 90°F | 76°F | 5.4" |
| July | 69°F | 89°F | 77°F | 19.2" |
| August | 71°F | 94°F | 80°F | 5.4" |
| September | 64°F | 89°F | 74°F | 9.9" |
| October | 51°F | 77°F | 62°F | 0.9" |
| November | 40°F | 68°F | 52°F | 6.1" |
| December | 33°F | 56°F | 43°F | 5.6" |
| Index | Rainbow City | Alabama | National |
| Air quality index | 43 | 37 | 42 |
| Pollution index | 2,295,500 | 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 | 0.002% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Alexandria, AL | 4,185 | 43 | 14.0% |
| Attalla, AL | 5,885 | 43 | 14.0% |
| Gallant, AL | 877 | 43 | 14.0% |
| Steele, AL | 1,133 | 43 | 14.0% |
| Gadsden, AL | 35,224 | 43 | 14.0% |
| Rainbow City, AL | 9,601 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Alexandria, KY | 9,600 | 54 | 8.0% |
| St. Francis, WI | 9,600 | 44 | 12.0% |
| St. Pete Beach, FL | 9,603 | 38 | 24.0% |
| Brookdale, NJ | 9,604 | 51 | 2.0% |
| Conning Towers Nautilus Park, CT | 9,606 | 37 | 26.0% |
| Rainbow City, AL | 9,601 | 43 | 14.0% |
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