| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 35°F | 26°F | 5.9" |
| February | 21°F | 40°F | 30°F | 2.5" |
| March | 33°F | 54°F | 42°F | 5.0" |
| April | 42°F | 66°F | 53°F | 8.5" |
| May | 53°F | 76°F | 64°F | 7.3" |
| June | 62°F | 83°F | 72°F | 10.2" |
| July | 63°F | 85°F | 74°F | 6.2" |
| August | 60°F | 83°F | 71°F | 6.0" |
| September | 54°F | 78°F | 65°F | 9.2" |
| October | 43°F | 66°F | 53°F | 4.4" |
| November | 33°F | 53°F | 42°F | 6.4" |
| December | 25°F | 40°F | 32°F | 4.8" |
| Index | Ulen | Indiana | National |
| Air quality index | 54 | 56 | 42 |
| Pollution index | 680,492 | 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 | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| New Ross, IN | 516 | 42 | 16.0% |
| Colfax, IN | 813 | 42 | 16.0% |
| Thorntown, IN | 1,077 | 42 | 16.0% |
| Frankfort, IN | 15,569 | 42 | 16.0% |
| Kirklin, IN | 1,125 | 42 | 16.0% |
| Ulen, IN | 231 | 54 | 8.0% |
| City | Population | Air Quality Index | National Avg. |
| McGrath, AK | 231 | 31 | 38.0% |
| Carthage, AR | 231 | 32 | 36.0% |
| Homeland, FL | 231 | 36 | 28.0% |
| Lambs Grove, IA | 231 | 39 | 22.0% |
| Dent, MN | 231 | 33 | 34.0% |
| Ulen, IN | 231 | 54 | 8.0% |
Here are the best places to live in Indiana
These are the 10 cheapest cities in Indiana
See the best places to live in Ulen
Most Dangerous States In The US