| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 47°F | 36°F | 4.0" |
| February | 28°F | 49°F | 38°F | 3.2" |
| March | 37°F | 60°F | 48°F | 4.5" |
| April | 46°F | 72°F | 58°F | 5.5" |
| May | 53°F | 77°F | 65°F | 4.8" |
| June | 62°F | 85°F | 73°F | 4.2" |
| July | 66°F | 86°F | 75°F | 5.9" |
| August | 65°F | 87°F | 75°F | 4.6" |
| September | 58°F | 81°F | 68°F | 3.5" |
| October | 46°F | 70°F | 57°F | 3.6" |
| November | 35°F | 60°F | 47°F | 3.4" |
| December | 31°F | 50°F | 40°F | 5.0" |
| Index | Oneida | Kentucky | National |
| Air quality index | 39 | 45 | 42 |
| Pollution index | 297,888 | 1,369,131 | 2,726,193 |
| Measurement | Total |
| Days measured | 263 |
| Days with good air quality | 243 |
| Days with moderate air quality | 20 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Booneville, KY | 106 | 33 | 34.0% |
| Buckhorn, KY | 106 | 33 | 34.0% |
| Hyden, KY | 382 | 39 | 22.0% |
| Manchester, KY | 2,251 | 39 | 22.0% |
| Oneida, KY | 380 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| Shiloh, AL | 380 | 39 | 22.0% |
| Brandon, IA | 380 | 39 | 22.0% |
| Farmersburg, IA | 380 | 29 | 42.0% |
| Seatonville, IL | 380 | 0 | 100.0% |
| Advance, MI | 380 | 36 | 28.0% |
| Oneida, KY | 380 | 39 | 22.0% |