| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 31°F | 54°F | 41°F | 2.2" |
| February | 35°F | 57°F | 45°F | 2.0" |
| March | 45°F | 68°F | 55°F | 3.6" |
| April | 52°F | 76°F | 63°F | 5.6" |
| May | 60°F | 81°F | 69°F | 7.1" |
| June | 70°F | 90°F | 79°F | 4.7" |
| July | 72°F | 94°F | 82°F | 4.6" |
| August | 72°F | 94°F | 82°F | 3.6" |
| September | 64°F | 88°F | 74°F | 3.1" |
| October | 52°F | 77°F | 63°F | 4.1" |
| November | 43°F | 66°F | 53°F | 2.7" |
| December | 33°F | 55°F | 43°F | 2.8" |
| Index | Phillips | Oklahoma | National |
| Air quality index | 325 | 55 | 42 |
| Pollution index | 149,771 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 138 |
| Days with good air quality | 120 |
| Days with moderate air quality | 17 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.002% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Stringtown, OK | 418 | 43 | 14.0% |
| Wardville, OK | 115 | 43 | 14.0% |
| Coalgate, OK | 2,097 | 43 | 14.0% |
| Centrahoma, OK | 62 | 43 | 14.0% |
| Tupelo, OK | 324 | 325 | 550.0% |
| Phillips, OK | 135 | 325 | 550.0% |
| City | Population | Air Quality Index | National Avg. |
| Atqasuk, AK | 135 | 38 | 24.0% |
| Fort Greely, AK | 135 | 38 | 24.0% |
| Mono City, CA | 135 | 47 | 6.0% |
| San Acacio, CO | 135 | 15 | 70.0% |
| Mount Union, IA | 135 | 32 | 36.0% |
| Phillips, OK | 135 | 325 | 550.0% |
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