| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 28°F | 50°F | 37°F | 9.0" |
| February | 29°F | 53°F | 39°F | 5.8" |
| March | 36°F | 63°F | 48°F | 4.9" |
| April | 43°F | 71°F | 56°F | 6.5" |
| May | 51°F | 77°F | 63°F | 6.9" |
| June | 60°F | 84°F | 70°F | 4.6" |
| July | 63°F | 85°F | 72°F | 4.5" |
| August | 63°F | 84°F | 71°F | 3.5" |
| September | 57°F | 79°F | 65°F | 5.5" |
| October | 44°F | 70°F | 54°F | 4.5" |
| November | 33°F | 61°F | 45°F | 7.8" |
| December | 32°F | 54°F | 41°F | 8.5" |
| Index | Franklin | North Carolina | National |
| Air quality index | 41 | 35 | 42 |
| Pollution index | 724,126 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 308 |
| Days with moderate air quality | 56 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.004% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Dillard, GA | 341 | 41 | 18.0% |
| Tate City, GA | 0 | 41 | 18.0% |
| Sky Valley, GA | 689 | 41 | 18.0% |
| Glenville, NC | 103 | 41 | 18.0% |
| Highlands, NC | 1,095 | 41 | 18.0% |
| Franklin, NC | 4,123 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Marshall, WI | 4,124 | 37 | 26.0% |
| Mahanoy City, PA | 4,121 | 42 | 16.0% |
| Meridian, PA | 4,121 | 31 | 38.0% |
| Madawaska Valley, ON | 4,125 | n/a | |
| Wahneta, FL | 4,120 | 36 | 28.0% |
| Franklin, NC | 4,123 | 41 | 18.0% |
Here are the best places to live in North Carolina
Check out the 10 safest cities in North Carolina
These are the largest cities in North Carolina
Most Dangerous Cities In The US