| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 33°F | 55°F | 43°F | 12.0" |
| February | 36°F | 59°F | 47°F | 9.4" |
| March | 45°F | 69°F | 56°F | 9.0" |
| April | 52°F | 77°F | 64°F | 11.6" |
| May | 60°F | 83°F | 71°F | 8.6" |
| June | 68°F | 90°F | 79°F | 7.9" |
| July | 71°F | 92°F | 80°F | 7.8" |
| August | 71°F | 92°F | 80°F | 8.8" |
| September | 64°F | 87°F | 74°F | 8.5" |
| October | 51°F | 77°F | 63°F | 13.4" |
| November | 41°F | 66°F | 52°F | 8.1" |
| December | 37°F | 58°F | 47°F | 10.8" |
| Index | Vernon | Alabama | National |
| Air quality index | 35 | 37 | 42 |
| Pollution index | 604,536 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 264 |
| Days with good air quality | 240 |
| Days with moderate air quality | 24 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.003% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Belk, AL | 344 | 35 | 30.0% |
| Kennedy, AL | 406 | 35 | 30.0% |
| Millport, AL | 1,209 | 35 | 30.0% |
| Gu-Win, AL | 143 | 35 | 30.0% |
| Caledonia, MS | 1,513 | 39 | 22.0% |
| Vernon, AL | 2,204 | 35 | 30.0% |
| City | Population | Air Quality Index | National Avg. |
| Spring Arbor, MI | 2,204 | 39 | 22.0% |
| Rock Hill, NY | 2,204 | 36 | 28.0% |
| Spencerville, OH | 2,204 | 39 | 22.0% |
| Topton, PA | 2,204 | 42 | 16.0% |
| Montgomery, TX | 2,204 | 52 | 4.0% |
| Vernon, AL | 2,204 | 35 | 30.0% |
Here are the best places to live in Alabama
These are the 10 cheapest cities in Alabama
See the best places to live in Vernon
Most Dangerous States In The US