| 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 | Bryson City | North Carolina | National |
| Air quality index | 44 | 35 | 42 |
| Pollution index | 671,788 | 2,789,538 | 2,726,193 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 287 |
| Days with moderate air quality | 77 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Cullowhee, NC | 7,021 | 44 | 12.0% |
| Webster, NC | 336 | 44 | 12.0% |
| Dillsboro, NC | 223 | 44 | 12.0% |
| Forest Hills, NC | 332 | 44 | 12.0% |
| Cherokee, NC | 2,165 | 44 | 12.0% |
| Bryson City, NC | 1,829 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Fort Deposit, AL | 1,829 | 52 | 4.0% |
| Stamps, AR | 1,829 | 39 | 22.0% |
| Lisbon, ND | 1,829 | 33 | 34.0% |
| Upper Pohatcong, NJ | 1,829 | 34 | 32.0% |
| Oologah, OK | 1,829 | 45 | 10.0% |
| Bryson City, NC | 1,829 | 44 | 12.0% |