| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 17°F | 35°F | 26°F | 2.9" |
| February | 18°F | 37°F | 27°F | 2.4" |
| March | 28°F | 51°F | 39°F | 3.1" |
| April | 38°F | 65°F | 51°F | 4.0" |
| May | 49°F | 75°F | 62°F | 4.9" |
| June | 59°F | 84°F | 71°F | 5.1" |
| July | 62°F | 86°F | 74°F | 4.1" |
| August | 60°F | 84°F | 72°F | 4.4" |
| September | 53°F | 79°F | 65°F | 3.3" |
| October | 42°F | 67°F | 53°F | 2.9" |
| November | 31°F | 53°F | 42°F | 3.2" |
| December | 23°F | 39°F | 31°F | 3.1" |
| Index | Huntertown | Indiana | National |
| Air quality index | 47 | 56 | 50 |
| Pollution index | 1,165,120 | 3,773,618 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 219 |
| Days with moderate air quality | 145 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.100% |
| Mercury | 0.110% |
| City, State | Population | Air Quality Index | National Avg. |
| Avilla, IN | 2,260 | 47 | 6% |
| Grabill, IN | 1,448 | 47 | 6% |
| St. Joe, IN | 467 | 47 | 6% |
| Albion, IN | 2,536 | 47 | 6% |
| Churubusco, IN | 1,852 | 47 | 6% |
| Huntertown, IN | 5,286 | 47 | 6% |
| City, State | Population | Air Quality Index | National Avg. |
| Walterboro, SC | 5,287 | 34 | 32% |
| Morganville, NJ | 5,284 | 40 | 20% |
| Schuylkill Haven, PA | 5,289 | 43 | 14% |
| South Amherst, MA | 5,283 | 39 | 22% |
| Lake Wildwood, CA | 5,289 | 42 | 16% |
| Huntertown, IN | 5,286 | 47 | 6% |