| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 46°F | 36°F | 3.5" |
| February | 28°F | 48°F | 37°F | 3.1" |
| March | 38°F | 61°F | 49°F | 4.6" |
| April | 48°F | 73°F | 60°F | 6.3" |
| May | 57°F | 80°F | 68°F | 5.3" |
| June | 66°F | 88°F | 77°F | 4.5" |
| July | 69°F | 90°F | 79°F | 4.7" |
| August | 68°F | 90°F | 79°F | 4.2" |
| September | 61°F | 84°F | 72°F | 4.4" |
| October | 49°F | 73°F | 60°F | 4.4" |
| November | 37°F | 61°F | 48°F | 3.4" |
| December | 31°F | 49°F | 39°F | 5.1" |
| Index | New Middletown | Indiana | National |
| Air quality index | 49 | 56 | 42 |
| Pollution index | 10,162,700 | 2,719,453 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 195 |
| Days with moderate air quality | 166 |
| Days w/ poor A.Q. for sensitive groups | 4 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.050% |
| Mercury | 0.140% |
| City | Population | Air Quality Index | National Avg. |
| Doe Valley, KY | 1,969 | 39 | 22.0% |
| Laconia, IN | 38 | 39 | 22.0% |
| Mauckport, IN | 32 | 39 | 22.0% |
| Brandenburg, KY | 2,874 | 39 | 22.0% |
| Crandall, IN | 233 | 49 | 2.0% |
| New Middletown, IN | 109 | 49 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Eagle, AK | 109 | 38 | 24.0% |
| Mud Bay, AK | 109 | 20 | 60.0% |
| Standing Rock, AL | 109 | 42 | 16.0% |
| Kohls Ranch, AZ | 109 | 60 | 20.0% |
| Vilas, CO | 109 | 20 | 60.0% |
| New Middletown, IN | 109 | 49 | 2.0% |
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