| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 46°F | 35°F | 5.1" |
| February | 32°F | 55°F | 42°F | 1.0" |
| March | 44°F | 68°F | 54°F | 6.3" |
| April | 48°F | 69°F | 58°F | 8.4" |
| May | 60°F | 80°F | 69°F | 9.2" |
| June | 67°F | 87°F | 77°F | 16.2" |
| July | 69°F | 92°F | 80°F | 15.9" |
| August | 72°F | 94°F | 82°F | 10.5" |
| September | 65°F | 88°F | 75°F | 8.6" |
| October | 52°F | 76°F | 62°F | 6.3" |
| November | 40°F | 67°F | 52°F | 2.5" |
| December | 27°F | 50°F | 37°F | 1.3" |
| Index | Perkins | Oklahoma | National |
| Air quality index | 36 | 55 | 42 |
| Pollution index | 277,099 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 231 |
| Days with good air quality | 216 |
| Days with moderate air quality | 14 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.004% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Carney, OK | 555 | 36 | 28.0% |
| Tryon, OK | 618 | 36 | 28.0% |
| Ripley, OK | 269 | 36 | 28.0% |
| Kendrick, OK | 85 | 36 | 28.0% |
| Agra, OK | 321 | 36 | 28.0% |
| Perkins, OK | 2,964 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Denver, NC | 2,964 | 36 | 28.0% |
| National Park, NJ | 2,964 | 51 | 2.0% |
| Orwigsburg, PA | 2,964 | 42 | 16.0% |
| Idyllwild-Pine Cove, CA | 2,963 | 89 | 78.0% |
| Springfield, KY | 2,965 | 39 | 22.0% |
| Perkins, OK | 2,964 | 36 | 28.0% |
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