| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 20°F | 39°F | 29°F | 3.5" |
| February | 21°F | 42°F | 31°F | 2.6" |
| March | 32°F | 55°F | 43°F | 4.0" |
| April | 42°F | 68°F | 55°F | 5.3" |
| May | 52°F | 76°F | 64°F | 4.8" |
| June | 62°F | 85°F | 73°F | 5.7" |
| July | 65°F | 87°F | 76°F | 4.9" |
| August | 65°F | 87°F | 75°F | 3.3" |
| September | 57°F | 81°F | 68°F | 3.4" |
| October | 45°F | 68°F | 56°F | 3.2" |
| November | 33°F | 55°F | 44°F | 3.3" |
| December | 25°F | 42°F | 33°F | 4.1" |
| Index | Fillmore | Indiana | National |
| Air quality index | 54 | 56 | 42 |
| Pollution index | 2,395,300 | 2,719,453 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 148 |
| Days with moderate air quality | 212 |
| Days w/ poor A.Q. for sensitive groups | 5 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.003% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Cloverdale, IN | 1,905 | 42 | 16.0% |
| Van Bibber Lake, IN | 659 | 45 | 10.0% |
| Greencastle, IN | 10,312 | 45 | 10.0% |
| Russellville, IN | 329 | 45 | 10.0% |
| Amo, IN | 527 | 54 | 8.0% |
| Fillmore, IN | 517 | 54 | 8.0% |
| City | Population | Air Quality Index | National Avg. |
| Garfield, AR | 517 | 44 | 12.0% |
| Mesquite Creek, AZ | 517 | 13 | 74.0% |
| Reddick, FL | 517 | 38 | 24.0% |
| Burt, IA | 517 | 15 | 70.0% |
| La Crosse, IN | 517 | 37 | 26.0% |
| Fillmore, IN | 517 | 54 | 8.0% |
Here are the best places to live in Indiana
Safest States In The US
See the best places to live in Fillmore
Check out the 10 most dangerous cities in Indiana