| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 44°F | 34°F | 6.7" |
| February | 30°F | 51°F | 39°F | 3.3" |
| March | 42°F | 66°F | 53°F | 12.1" |
| April | 47°F | 69°F | 57°F | 5.1" |
| May | 59°F | 79°F | 68°F | 9.3" |
| June | 68°F | 86°F | 76°F | 16.1" |
| July | 69°F | 91°F | 80°F | 5.7" |
| August | 72°F | 95°F | 82°F | 8.9" |
| September | 64°F | 86°F | 74°F | 7.1" |
| October | 51°F | 74°F | 61°F | 6.6" |
| November | 40°F | 64°F | 50°F | 1.8" |
| December | 27°F | 47°F | 36°F | 2.9" |
| Index | Liberty | Kansas | National |
| Air quality index | 38 | 47 | 42 |
| Pollution index | 261,723 | 989,153 | 2,726,193 |
| Measurement | Total |
| Days measured | 363 |
| Days with good air quality | 289 |
| Days with moderate air quality | 73 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.003% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Mound Valley, KS | 294 | 38 | 24.0% |
| Tyro, KS | 185 | 38 | 24.0% |
| Coffeyville, KS | 9,687 | 38 | 24.0% |
| Cherryvale, KS | 2,247 | 38 | 24.0% |
| South Coffeyville, OK | 851 | 38 | 24.0% |
| Liberty, KS | 81 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Hope, AK | 81 | 31 | 38.0% |
| Daisy, AR | 81 | 32 | 36.0% |
| Horseshoe Beach, FL | 81 | 35 | 30.0% |
| Numa, IA | 81 | 39 | 22.0% |
| Old Ripley, IL | 81 | 54 | 8.0% |
| Liberty, KS | 81 | 38 | 24.0% |