| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 33°F | 54°F | 42°F | 4.8" |
| February | 35°F | 57°F | 45°F | 3.2" |
| March | 44°F | 67°F | 54°F | 4.5" |
| April | 51°F | 76°F | 63°F | 4.9" |
| May | 59°F | 82°F | 70°F | 4.3" |
| June | 67°F | 91°F | 78°F | 4.2" |
| July | 70°F | 92°F | 80°F | 5.3" |
| August | 69°F | 92°F | 79°F | 4.5" |
| September | 62°F | 86°F | 73°F | 3.8" |
| October | 50°F | 76°F | 62°F | 3.9" |
| November | 40°F | 65°F | 52°F | 3.6" |
| December | 36°F | 56°F | 45°F | 5.6" |
| Index | Ethridge | Tennessee | National |
| Air quality index | 27 | 76 | 42 |
| Pollution index | 957,183 | 2,454,916 | 2,726,193 |
| Measurement | Total |
| Days measured | 330 |
| Days with good air quality | 306 |
| Days with moderate air quality | 24 |
| 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 | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Pulaski, TN | 7,614 | 27 | 46.0% |
| Lawrenceburg, TN | 10,925 | 27 | 46.0% |
| Summertown, TN | 521 | 27 | 46.0% |
| Mount Pleasant, TN | 4,899 | 31 | 38.0% |
| Ethridge, TN | 720 | 27 | 46.0% |
| City | Population | Air Quality Index | National Avg. |
| Shoals, IN | 720 | 1 | 98.0% |
| Butler, KY | 720 | 54 | 8.0% |
| Morley, MO | 720 | 44 | 12.0% |
| Nittany, PA | 720 | 44 | 12.0% |
| Pennsbury Village, PA | 720 | 56 | 12.0% |
| Ethridge, TN | 720 | 27 | 46.0% |
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