| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 24°F | 42°F | 32°F | 2.7" |
| February | 24°F | 44°F | 34°F | 2.6" |
| March | 34°F | 57°F | 44°F | 4.1" |
| April | 43°F | 69°F | 56°F | 4.9" |
| May | 52°F | 77°F | 64°F | 3.9" |
| June | 61°F | 85°F | 73°F | 4.5" |
| July | 65°F | 87°F | 75°F | 4.7" |
| August | 63°F | 87°F | 75°F | 2.7" |
| September | 56°F | 81°F | 67°F | 3.3" |
| October | 45°F | 69°F | 56°F | 3.6" |
| November | 33°F | 57°F | 44°F | 2.9" |
| December | 28°F | 46°F | 36°F | 3.7" |
| Index | Falmouth | Kentucky | National |
| Air quality index | 54 | 45 | 42 |
| Pollution index | 746,363 | 1,369,131 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 139 |
| Days with moderate air quality | 206 |
| Days w/ poor A.Q. for sensitive groups | 20 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.060% |
| Lead | 0.020% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Corinth, KY | 273 | 42 | 16.0% |
| Berry, KY | 181 | 42 | 16.0% |
| Crittenden, KY | 3,893 | 54 | 8.0% |
| Chilo, OH | 66 | 54 | 8.0% |
| Dry Ridge, KY | 2,125 | 54 | 8.0% |
| Falmouth, KY | 2,879 | 54 | 8.0% |
| City | Population | Air Quality Index | National Avg. |
| Weedpatch, CA | 2,879 | 67 | 34.0% |
| Indialantic, FL | 2,879 | 36 | 28.0% |
| Kilauea, HI | 2,879 | 13 | 74.0% |
| Bucksport, ME | 2,879 | 31 | 38.0% |
| West, TX | 2,879 | 38 | 24.0% |
| Falmouth, KY | 2,879 | 54 | 8.0% |
Here are the best places to live in Kentucky
See the best places to live in Falmouth
These are the 10 cheapest cities in Kentucky
These are the largest cities in Kentucky