| 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 | Dowelltown | Tennessee | National |
| Air quality index | 25 | 76 | 42 |
| Pollution index | 699,752 | 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 | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Liberty, TN | 348 | 25 | 50.0% |
| Smithville, TN | 4,781 | 25 | 50.0% |
| Watertown, TN | 1,698 | 25 | 50.0% |
| Alexandria, TN | 992 | 25 | 50.0% |
| Woodbury, TN | 2,841 | 25 | 50.0% |
| Dowelltown, TN | 352 | 25 | 50.0% |
| City | Population | Air Quality Index | National Avg. |
| Eldora, CO | 352 | 47 | 6.0% |
| Odessa, DE | 352 | 42 | 16.0% |
| Lawler, IA | 352 | 39 | 22.0% |
| New Meadows, ID | 352 | 20 | 60.0% |
| Greenwood, IL | 352 | 37 | 26.0% |
| Dowelltown, TN | 352 | 25 | 50.0% |
Here are the best places to live in Tennessee
These are the 10 most affordable cities in Tennessee
Top 10 cities in Tennessee with the best education system
10 best cities to buy a new house in Tennessee