| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 24°F | 51°F | 36°F | 1.0" |
| February | 28°F | 55°F | 40°F | 0.9" |
| March | 39°F | 66°F | 51°F | 1.7" |
| April | 49°F | 75°F | 61°F | 4.1" |
| May | 57°F | 81°F | 68°F | 5.1" |
| June | 69°F | 92°F | 80°F | 3.6" |
| July | 73°F | 96°F | 84°F | 4.0" |
| August | 70°F | 94°F | 81°F | 2.9" |
| September | 63°F | 88°F | 74°F | 2.3" |
| October | 50°F | 77°F | 62°F | 2.5" |
| November | 38°F | 63°F | 49°F | 1.6" |
| December | 28°F | 51°F | 38°F | 0.9" |
| Index | Newkirk | Oklahoma | National |
| Air quality index | 40 | 55 | 42 |
| Pollution index | 1,591,610 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 292 |
| Days with moderate air quality | 72 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.030% |
| Mercury | 0.005% |
| City | Population | Air Quality Index | National Avg. |
| Kaw City, OK | 282 | 40 | 20.0% |
| Tonkawa, OK | 3,000 | 40 | 20.0% |
| Arkansas City, KS | 11,767 | 40 | 20.0% |
| Kildare, OK | 73 | 40 | 20.0% |
| Parkerfield, KS | 518 | 40 | 20.0% |
| Newkirk, OK | 2,058 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| Blue Grass, IA | 2,058 | 46 | 8.0% |
| Adrian, MO | 2,058 | 47 | 6.0% |
| Malta, MT | 2,058 | 21 | 58.0% |
| Greenport, NY | 2,058 | 41 | 18.0% |
| Palmyra, WI | 2,058 | 37 | 26.0% |
| Newkirk, OK | 2,058 | 40 | 20.0% |
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