| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 45°F | 34°F | 4.2" |
| February | 29°F | 50°F | 38°F | 4.0" |
| March | 38°F | 60°F | 48°F | 4.9" |
| April | 48°F | 73°F | 59°F | 5.8" |
| May | 55°F | 78°F | 65°F | 5.2" |
| June | 63°F | 84°F | 72°F | 5.1" |
| July | 66°F | 85°F | 75°F | 6.8" |
| August | 65°F | 84°F | 73°F | 5.6" |
| September | 59°F | 79°F | 68°F | 3.2" |
| October | 48°F | 70°F | 58°F | 3.7" |
| November | 38°F | 60°F | 48°F | 2.9" |
| December | 32°F | 50°F | 40°F | 5.2" |
| Index | Frenchburg | Kentucky | National |
| Air quality index | 33 | 45 | 42 |
| Pollution index | 114,060 | 1,369,131 | 2,726,193 |
| Measurement | Total |
| Days measured | 114 |
| Days with good air quality | 96 |
| Days with moderate air quality | 18 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.002% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Lakeview Heights, KY | 421 | 14 | 72.0% |
| Hazel Green, KY | 81 | 33 | 34.0% |
| Camargo, KY | 1,077 | 33 | 34.0% |
| Jeffersonville, KY | 1,927 | 33 | 34.0% |
| Salt Lick, KY | 332 | 33 | 34.0% |
| Frenchburg, KY | 866 | 33 | 34.0% |
| City | Population | Air Quality Index | National Avg. |
| Odebolt, IA | 866 | 35 | 30.0% |
| Francesville, IN | 866 | 42 | 16.0% |
| Memphis, IN | 866 | 49 | 2.0% |
| Pennville, IN | 866 | 35 | 30.0% |
| Church Hill, MD | 866 | 42 | 16.0% |
| Frenchburg, KY | 866 | 33 | 34.0% |
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