| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 29°F | 52°F | 39°F | 4.2" |
| February | 31°F | 54°F | 42°F | 3.4" |
| March | 39°F | 65°F | 52°F | 4.1" |
| April | 49°F | 75°F | 62°F | 5.6" |
| May | 56°F | 82°F | 69°F | 5.1" |
| June | 66°F | 90°F | 78°F | 3.9" |
| July | 69°F | 92°F | 80°F | 5.0" |
| August | 69°F | 92°F | 79°F | 4.5" |
| September | 61°F | 86°F | 73°F | 4.0" |
| October | 49°F | 75°F | 61°F | 4.0" |
| November | 38°F | 64°F | 50°F | 3.8" |
| December | 33°F | 54°F | 43°F | 5.1" |
| Index | South Harpeth Area | Nashville | Tennessee |
| Air quality index | 45 | 45 | 76 |
| Pollution index | 2,417,750 | 14,929,800 | 2,454,916 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 229 |
| Days with moderate air quality | 135 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.020% |
| Benzene | 0.170% |
| Carbon Tetrachloride | 0.040% |
| Lead | 0.050% |
| Mercury | 0.030% |
| City | Population | Air Quality Index | National Avg. |
| White Bluff, TN | 3,583 | 45 | 10.0% |
| Franklin, TN | 80,675 | 45 | 10.0% |
| Brentwood, TN | 42,700 | 45 | 10.0% |
| Belle Meade, TN | 2,191 | 45 | 10.0% |
| Kingston Springs, TN | 2,744 | 45 | 10.0% |
| Nashville, TN | 667,070 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Detroit, MI | 672,351 | 56 | 12.0% |
| El Paso, TX | 679,879 | 53 | 6.0% |
| Memphis, TN | 650,910 | 45 | 10.0% |
| Portland, OR | 650,380 | 38 | 24.0% |
| Oklahoma City, OK | 649,821 | 48 | 4.0% |
| Nashville, TN | 667,070 | 45 | 10.0% |
Here are the best places to live in Tennessee
Top 10 cities in Tennessee with the best education system
10 Best cities in Tennessee for employment
Top 10 best public schools in Nashville