| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 23°F | 40°F | 31°F | 5.3" |
| February | 24°F | 43°F | 33°F | 3.4" |
| March | 36°F | 57°F | 45°F | 4.0" |
| April | 46°F | 69°F | 56°F | 7.6" |
| May | 56°F | 77°F | 66°F | 6.3" |
| June | 64°F | 86°F | 75°F | 6.7" |
| July | 66°F | 87°F | 76°F | 5.7" |
| August | 63°F | 86°F | 74°F | 4.9" |
| September | 56°F | 82°F | 67°F | 5.9" |
| October | 46°F | 70°F | 57°F | 5.6" |
| November | 35°F | 56°F | 44°F | 5.6" |
| December | 28°F | 44°F | 35°F | 4.9" |
| Index | Carlisle | Indiana | National |
| Air quality index | 36 | 56 | 42 |
| Pollution index | 1,453,840 | 2,719,453 | 2,726,193 |
| Measurement | Total |
| Days measured | 359 |
| Days with good air quality | 328 |
| Days with moderate air quality | 31 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.004% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Freelandville, IN | 759 | 1 | 98.0% |
| Sandborn, IN | 316 | 1 | 98.0% |
| Plainville, IN | 275 | 1 | 98.0% |
| Linton, IN | 5,293 | 1 | 98.0% |
| Westphalia, IN | 50 | 1 | 98.0% |
| Carlisle, IN | 544 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Boykin, AL | 544 | 52 | 4.0% |
| Waldron, MI | 544 | 39 | 22.0% |
| Unionville, NY | 544 | 34 | 32.0% |
| Melrose, OR | 544 | 24 | 52.0% |
| Appleby, TX | 544 | 37 | 26.0% |
| Carlisle, IN | 544 | 36 | 28.0% |
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