| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 29°F | 49°F | 38°F | 5.2" |
| February | 32°F | 54°F | 42°F | 4.5" |
| March | 40°F | 65°F | 52°F | 5.8" |
| April | 49°F | 75°F | 61°F | 6.8" |
| May | 57°F | 81°F | 68°F | 3.4" |
| June | 65°F | 89°F | 76°F | 5.4" |
| July | 69°F | 90°F | 78°F | 6.3" |
| August | 67°F | 89°F | 77°F | 4.6" |
| September | 61°F | 84°F | 71°F | 4.6" |
| October | 49°F | 74°F | 60°F | 3.4" |
| November | 38°F | 62°F | 49°F | 4.5" |
| December | 35°F | 53°F | 43°F | 6.8" |
| Index | Lenoir City | Tennessee | National |
| Air quality index | 53 | 76 | 42 |
| Pollution index | 7,263,220 | 2,454,916 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 148 |
| Days with moderate air quality | 216 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.240% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.003% |
| Lead | 0.080% |
| Mercury | 0.300% |
| City | Population | Air Quality Index | National Avg. |
| Philadelphia, TN | 808 | 30 | 40.0% |
| Sweetwater, TN | 5,894 | 30 | 40.0% |
| Vonore, TN | 1,931 | 30 | 40.0% |
| Friendsville, TN | 1,050 | 46 | 8.0% |
| Greenback, TN | 1,233 | 46 | 8.0% |
| Lenoir City, TN | 9,191 | 53 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Taft, CA | 9,189 | 67 | 34.0% |
| Lancaster, SC | 9,187 | 49 | 2.0% |
| Valley, AL | 9,195 | 42 | 16.0% |
| Fruitland Park, FL | 9,185 | 38 | 24.0% |
| Belgrade, MT | 9,184 | 25 | 50.0% |
| Lenoir City, TN | 9,191 | 53 | 6.0% |
Here are the best places to live in Tennessee
See the best places to live in Lenoir City
These are the 10 cheapest cities in Tennessee
Most Dangerous States In The US