| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 56°F | 44°F | 3.8" |
| February | 38°F | 59°F | 47°F | 2.7" |
| March | 46°F | 69°F | 56°F | 5.0" |
| April | 53°F | 76°F | 64°F | 6.1" |
| May | 62°F | 82°F | 71°F | 7.3" |
| June | 70°F | 91°F | 80°F | 3.5" |
| July | 72°F | 94°F | 82°F | 10.2" |
| August | 73°F | 96°F | 83°F | 5.3" |
| September | 65°F | 88°F | 75°F | 6.3" |
| October | 53°F | 77°F | 63°F | 3.7" |
| November | 45°F | 67°F | 55°F | 6.0" |
| December | 37°F | 57°F | 45°F | 8.5" |
| Index | Idabel | Oklahoma | National |
| Air quality index | 39 | 55 | 42 |
| Pollution index | 6,037,890 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 349 |
| Days with good air quality | 254 |
| Days with moderate air quality | 94 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 3.210% |
| Lead | 0.160% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Haworth, OK | 340 | 39 | 22.0% |
| Broken Bow, OK | 4,093 | 39 | 22.0% |
| Millerton, OK | 284 | 39 | 22.0% |
| Eagletown, OK | 503 | 39 | 22.0% |
| Valliant, OK | 908 | 39 | 22.0% |
| Idabel, OK | 6,872 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| Amory, MS | 6,873 | 39 | 22.0% |
| Napili-Honokowai, HI | 6,870 | 15 | 70.0% |
| Freeland, MI | 6,866 | 26 | 48.0% |
| Newport, TN | 6,865 | 44 | 12.0% |
| Beaubassin East / Beaubassin-est, NB | 6,880 | n/a | |
| Idabel, OK | 6,872 | 39 | 22.0% |
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