| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 41°F | 31°F | 2.7" |
| February | 22°F | 43°F | 32°F | 2.6" |
| March | 33°F | 57°F | 44°F | 4.4" |
| April | 43°F | 69°F | 55°F | 5.1" |
| May | 52°F | 77°F | 64°F | 4.4" |
| June | 61°F | 85°F | 73°F | 4.7" |
| July | 64°F | 87°F | 75°F | 3.7" |
| August | 62°F | 87°F | 74°F | 2.8" |
| September | 55°F | 81°F | 67°F | 3.8" |
| October | 43°F | 69°F | 55°F | 3.8" |
| November | 32°F | 57°F | 43°F | 3.1" |
| December | 27°F | 46°F | 36°F | 4.1" |
| Index | Liberty | Indiana | National |
| Air quality index | 6 | 56 | 42 |
| Pollution index | 1,369,080 | 2,719,453 | 2,726,193 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 364 |
| Days with moderate air quality | |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| West College Corner, IN | 505 | 6 | 88.0% |
| Boston, IN | 160 | 6 | 88.0% |
| Richmond, IN | 35,467 | 6 | 88.0% |
| Laurel, IN | 778 | 6 | 88.0% |
| Milton, IN | 321 | 6 | 88.0% |
| Liberty, IN | 1,655 | 6 | 88.0% |
| City | Population | Air Quality Index | National Avg. |
| Cordova, AL | 1,655 | 53 | 6.0% |
| Melbourne, AR | 1,655 | 36 | 28.0% |
| Pinehurst, ID | 1,655 | 43 | 14.0% |
| Ainsworth, NE | 1,655 | 19 | 62.0% |
| Lake Como, NJ | 1,655 | 51 | 2.0% |
| Liberty, IN | 1,655 | 6 | 88.0% |
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