| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 48°F | 36°F | 3.8" |
| February | 28°F | 52°F | 39°F | 3.1" |
| March | 36°F | 63°F | 48°F | 4.2" |
| April | 44°F | 73°F | 58°F | 4.4" |
| May | 53°F | 79°F | 65°F | 4.1" |
| June | 60°F | 87°F | 73°F | 3.3" |
| July | 65°F | 88°F | 75°F | 6.5" |
| August | 63°F | 87°F | 74°F | 4.8" |
| September | 57°F | 82°F | 68°F | 3.1" |
| October | 45°F | 72°F | 57°F | 3.2" |
| November | 33°F | 61°F | 46°F | 2.8" |
| December | 31°F | 52°F | 40°F | 4.6" |
| Index | Clinchport | Virginia | National |
| Air quality index | 45 | 58 | 42 |
| Pollution index | 68,075 | 1,561,881 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 236 |
| Days with moderate air quality | 108 |
| Days w/ poor A.Q. for sensitive groups | 21 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.001% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.001% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Dryden, VA | 921 | 45 | 10.0% |
| Mount Carmel, TN | 5,493 | 45 | 10.0% |
| Church Hill, TN | 6,857 | 45 | 10.0% |
| Keokee, VA | 469 | 45 | 10.0% |
| Duffield, VA | 86 | 45 | 10.0% |
| Clinchport, VA | 49 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Chenega, AK | 49 | 31 | 38.0% |
| Goldville, AL | 49 | 38 | 24.0% |
| Martinez Lake, AZ | 49 | 45 | 10.0% |
| Paynes Creek, CA | 49 | 41 | 18.0% |
| Cobbtown, FL | 49 | 41 | 18.0% |
| Clinchport, VA | 49 | 45 | 10.0% |