| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | -18°F | 69°F | 30°F | 2.6" |
| February | -8°F | 63°F | 29°F | 2.0" |
| March | 9°F | 81°F | 42°F | 2.7" |
| April | 22°F | 88°F | 53°F | 3.5" |
| May | 29°F | 91°F | 62°F | 4.2" |
| June | 46°F | 97°F | 72°F | 3.5" |
| July | 50°F | 94°F | 74°F | 4.2" |
| August | 45°F | 99°F | 74°F | 2.5" |
| September | 36°F | 94°F | 67°F | 2.2" |
| October | 25°F | 91°F | 55°F | 3.4" |
| November | 10°F | 75°F | 44°F | 2.9" |
| December | -1°F | 68°F | 31°F | 3.5" |
| Index | New Richmond | Indiana | National |
| Air quality index | 52 | 56 | 50 |
| Pollution index | 1,601,640 | 3,773,618 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 170 |
| Days with moderate air quality | 195 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.040% |
| Mercury | 0.290% |
| City, State | Population | Air Quality Index | National Avg. |
| Crawfordsville, IN | 15,996 | 52 | 4% |
| Lafayette, IN | 71,249 | 52 | 4% |
| Shadeland, IN | 1,766 | 52 | 4% |
| Waynetown, IN | 1,058 | 52 | 4% |
| Alamo, IN | 57 | 52 | 4% |
| New Richmond, IN | 350 | 52 | 4% |
| City, State | Population | Air Quality Index | National Avg. |
| Selden, KS | 350 | 19 | 62% |
| Orient, IL | 350 | 39 | 22% |
| Carbon Hill, OH | 350 | 33 | 34% |
| Bristol, SD | 350 | 26 | 48% |
| Suring, WI | 350 | 40 | 20% |
| New Richmond, IN | 350 | 52 | 4% |