| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 52°F | 43°F | 7.2" |
| February | 32°F | 52°F | 42°F | 3.3" |
| March | 43°F | 68°F | 55°F | 6.3" |
| April | 48°F | 71°F | 60°F | 4.8" |
| May | 56°F | 83°F | 71°F | 4.4" |
| June | 67°F | 91°F | 79°F | 3.3" |
| July | 71°F | 92°F | 81°F | 2.2" |
| August | 73°F | 99°F | 87°F | 1.6" |
| September | 64°F | 91°F | 78°F | 4.0" |
| October | 52°F | 77°F | 65°F | 9.6" |
| November | 41°F | 65°F | 53°F | 6.3" |
| December | 34°F | 53°F | 43°F | 6.0" |
| Index | New Union | Tennessee | National |
| Air quality index | 25 | 76 | 42 |
| Pollution index | 2,130,950 | 2,454,916 | 2,726,193 |
| Measurement | Total |
| Days measured | 360 |
| Days with good air quality | 351 |
| Days with moderate air quality | 9 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.030% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Centertown, TN | 324 | 25 | 50.0% |
| Viola, TN | 141 | 25 | 50.0% |
| Lakewood Park, TN | 923 | 25 | 50.0% |
| Morrison, TN | 687 | 25 | 50.0% |
| Normandy, TN | 158 | 31 | 38.0% |
| New Union, TN | 1,819 | 25 | 50.0% |
| City | Population | Air Quality Index | National Avg. |
| Carrier Mills, IL | 1,819 | 44 | 12.0% |
| Huntsville, MO | 1,820 | 38 | 24.0% |
| Tecumseh, NE | 1,818 | 31 | 38.0% |
| Navajo, NM | 1,818 | 17 | 66.0% |
| Burnham, PA | 1,820 | 44 | 12.0% |
| New Union, TN | 1,819 | 25 | 50.0% |
Here are the best places to live in Tennessee
These are the largest cities in Tennessee
Most Dangerous States In The US
Check out the 10 most dangerous cities in Tennessee