| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 31°F | 55°F | 41°F | 0.5" |
| February | 35°F | 58°F | 45°F | 0.7" |
| March | 45°F | 68°F | 55°F | 1.0" |
| April | 52°F | 75°F | 62°F | 1.1" |
| May | 59°F | 81°F | 69°F | 2.6" |
| June | 69°F | 92°F | 79°F | 0.9" |
| July | 71°F | 95°F | 82°F | 8.3" |
| August | 71°F | 95°F | 82°F | 2.5" |
| September | 63°F | 87°F | 73°F | 0.7" |
| October | 52°F | 77°F | 62°F | 2.4" |
| November | 42°F | 66°F | 52°F | 2.1" |
| December | 33°F | 54°F | 42°F | 3.8" |
| Index | Ravia | Oklahoma | National |
| Air quality index | 43 | 55 | 42 |
| Pollution index | 1,131,510 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 285 |
| Days with moderate air quality | 80 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Dickson, OK | 1,496 | 43 | 14.0% |
| Madill, OK | 4,137 | 43 | 14.0% |
| Connerville, OK | 151 | 43 | 14.0% |
| Mannsville, OK | 1,048 | 43 | 14.0% |
| Mill Creek, OK | 309 | 43 | 14.0% |
| Ravia, OK | 579 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| German Valley, IL | 579 | 42 | 16.0% |
| Branson West, MO | 579 | 18 | 64.0% |
| Fessenden, ND | 579 | 36 | 28.0% |
| Gallipolis Ferry, WV | 579 | 42 | 16.0% |
| Raymore, SK | 579 | n/a | |
| Ravia, OK | 579 | 43 | 14.0% |