| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 38°F | 57°F | 46°F | 5.1" |
| February | 39°F | 60°F | 48°F | 6.9" |
| March | 47°F | 69°F | 57°F | 6.6" |
| April | 55°F | 76°F | 65°F | 6.1" |
| May | 62°F | 82°F | 71°F | 4.9" |
| June | 69°F | 89°F | 78°F | 5.9" |
| July | 71°F | 90°F | 79°F | 5.1" |
| August | 71°F | 90°F | 79°F | 5.3" |
| September | 66°F | 85°F | 74°F | 3.8" |
| October | 55°F | 76°F | 65°F | 3.4" |
| November | 46°F | 66°F | 55°F | 4.5" |
| December | 42°F | 60°F | 50°F | 6.8" |
| Index | Roanoke | Alabama | National |
| Air quality index | 38 | 37 | 42 |
| Pollution index | 1,170,060 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 114 |
| Days with good air quality | 88 |
| Days with moderate air quality | 26 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.002% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Penton, AL | 53 | 38 | 24.0% |
| Wedowee, AL | 854 | 38 | 24.0% |
| Abanda, AL | 192 | 38 | 24.0% |
| Wadley, AL | 802 | 38 | 24.0% |
| Rock Mills, AL | 434 | 42 | 16.0% |
| Roanoke, AL | 5,931 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Asbury, IA | 5,931 | 29 | 42.0% |
| Countryside, IL | 5,929 | 55 | 10.0% |
| Sunbury, OH | 5,934 | 46 | 8.0% |
| Saint-Césaire, QC | 5,934 | n/a | |
| Schlusser, PA | 5,927 | 44 | 12.0% |
| Roanoke, AL | 5,931 | 38 | 24.0% |
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