| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 53°F | 38°F | 0.7" |
| February | 31°F | 57°F | 42°F | 0.9" |
| March | 41°F | 67°F | 52°F | 1.6" |
| April | 48°F | 75°F | 60°F | 3.0" |
| May | 57°F | 84°F | 69°F | 4.3" |
| June | 68°F | 94°F | 81°F | 3.0" |
| July | 72°F | 97°F | 84°F | 3.5" |
| August | 71°F | 97°F | 83°F | 2.9" |
| September | 63°F | 89°F | 75°F | 2.6" |
| October | 51°F | 77°F | 63°F | 2.7" |
| November | 39°F | 65°F | 51°F | 1.5" |
| December | 29°F | 52°F | 39°F | 1.0" |
| Index | Roosevelt | Oklahoma | National |
| Air quality index | 43 | 55 | 42 |
| Pollution index | 311,261 | 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 | 0.004% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.001% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Mountain Park, OK | 556 | 43 | 14.0% |
| Hobart, OK | 3,460 | 43 | 14.0% |
| Snyder, OK | 1,383 | 43 | 14.0% |
| Lone Wolf, OK | 422 | 43 | 14.0% |
| Cooperton, OK | 6 | 43 | 14.0% |
| Roosevelt, OK | 232 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Tetlin, AK | 232 | 38 | 24.0% |
| Gordonville, AL | 232 | 52 | 4.0% |
| Haivana Nakya, AZ | 232 | 47 | 6.0% |
| Blakesburg, IA | 232 | 39 | 22.0% |
| Fenton, IA | 232 | 15 | 70.0% |
| Roosevelt, OK | 232 | 43 | 14.0% |
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