| 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 | Franklin | Alabama | National |
| Air quality index | 52 | 37 | 42 |
| Pollution index | 2,001,960 | 3,012,339 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 171 |
| Days with moderate air quality | 193 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.050% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Loachapoka, AL | 192 | 42 | 16.0% |
| Reeltown, AL | 365 | 52 | 4.0% |
| Eclectic, AL | 1,184 | 52 | 4.0% |
| Tallassee, AL | 4,818 | 52 | 4.0% |
| Shorter, AL | 302 | 52 | 4.0% |
| Franklin, AL | 898 | 52 | 4.0% |
| City | Population | Air Quality Index | National Avg. |
| Ninilchik, AK | 898 | 31 | 38.0% |
| Benton, KS | 898 | 40 | 20.0% |
| Crofton, NE | 898 | 35 | 30.0% |
| Dibble, OK | 898 | 48 | 4.0% |
| Columbus, PA | 898 | 37 | 26.0% |
| Franklin, AL | 898 | 52 | 4.0% |
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