| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 21°F | 39°F | 29°F | 2.6" |
| February | 22°F | 41°F | 31°F | 2.0" |
| March | 34°F | 56°F | 44°F | 3.3" |
| April | 44°F | 68°F | 55°F | 5.8" |
| May | 53°F | 76°F | 65°F | 4.3" |
| June | 63°F | 85°F | 73°F | 6.3" |
| July | 64°F | 87°F | 75°F | 4.5" |
| August | 62°F | 86°F | 74°F | 2.3" |
| September | 55°F | 80°F | 67°F | 2.9" |
| October | 44°F | 68°F | 55°F | 3.5" |
| November | 33°F | 55°F | 43°F | 2.7" |
| December | 26°F | 43°F | 34°F | 3.4" |
| Index | West Terre Haute | Indiana | National |
| Air quality index | 45 | 56 | 42 |
| Pollution index | 1,601,640 | 2,719,453 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 237 |
| Days with moderate air quality | 127 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.040% |
| Mercury | 0.290% |
| City | Population | Air Quality Index | National Avg. |
| Dresser, IN | 37 | 45 | 10.0% |
| Vermilion, IL | 289 | 45 | 10.0% |
| Rosedale, IN | 846 | 45 | 10.0% |
| St. Mary of the Woods, IN | 819 | 45 | 10.0% |
| Marshall, IL | 3,615 | 45 | 10.0% |
| West Terre Haute, IN | 2,193 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Havana, FL | 2,193 | 40 | 20.0% |
| Orleans, IN | 2,192 | 6 | 88.0% |
| Tonopah, NV | 2,192 | 47 | 6.0% |
| Dalworthington Gardens, TX | 2,192 | 51 | 2.0% |
| Mabton, WA | 2,192 | 38 | 24.0% |
| West Terre Haute, IN | 2,193 | 45 | 10.0% |
Here are the best places to live in Indiana
Safest Cities In The US
Check out the 10 safest cities in Indiana
See the best places to live in West Terre Haute