| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 43°F | 33°F | 9.7" |
| February | 27°F | 46°F | 35°F | 3.9" |
| March | 38°F | 62°F | 49°F | 4.6" |
| April | 45°F | 68°F | 56°F | 6.4" |
| May | 57°F | 79°F | 68°F | 3.6" |
| June | 66°F | 87°F | 76°F | 8.9" |
| July | 67°F | 90°F | 79°F | 2.3" |
| August | 70°F | 91°F | 80°F | 13.2" |
| September | 61°F | 83°F | 71°F | 7.3" |
| October | 49°F | 71°F | 59°F | 4.0" |
| November | 37°F | 59°F | 47°F | 4.3" |
| December | 26°F | 43°F | 34°F | 4.1" |
| Index | Rhineland | Missouri | National |
| Air quality index | 39 | 97 | 42 |
| Pollution index | 732,008 | 1,630,255 | 2,726,193 |
| Measurement | Total |
| Days measured | 245 |
| Days with good air quality | 238 |
| Days with moderate air quality | 7 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Chamois, MO | 431 | 39 | 22.0% |
| High Hill, MO | 226 | 39 | 22.0% |
| Jonesburg, MO | 812 | 39 | 22.0% |
| Danville, MO | 0 | 39 | 22.0% |
| McKittrick, MO | 69 | 39 | 22.0% |
| Rhineland, MO | 107 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| Newhalen, AK | 107 | 31 | 38.0% |
| Casa, AR | 107 | 38 | 24.0% |
| Fifty-Six, AR | 107 | 36 | 28.0% |
| Timber Cove, CA | 107 | 34 | 32.0% |
| Bark Ranch, CO | 107 | 47 | 6.0% |
| Rhineland, MO | 107 | 39 | 22.0% |
Here are the best places to live in Missouri
These are the 10 cheapest cities in Missouri
See the best places to live in Rhineland
Most Dangerous Cities In The US