| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 32°F | 51°F | 40°F | 9.7" |
| February | 34°F | 55°F | 44°F | 4.4" |
| March | 45°F | 68°F | 55°F | 4.0" |
| April | 48°F | 71°F | 59°F | 4.1" |
| May | 59°F | 80°F | 69°F | 6.3" |
| June | 67°F | 87°F | 76°F | 8.0" |
| July | 69°F | 91°F | 79°F | 11.2" |
| August | 72°F | 93°F | 82°F | 11.4" |
| September | 65°F | 88°F | 75°F | 8.2" |
| October | 53°F | 77°F | 63°F | 4.6" |
| November | 41°F | 66°F | 53°F | 2.0" |
| December | 28°F | 52°F | 39°F | 3.3" |
| Index | Boynton | Oklahoma | National |
| Air quality index | 5 | 55 | 42 |
| Pollution index | 2,448,980 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 286 |
| Days with good air quality | 269 |
| Days with moderate air quality | 15 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.310% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.100% |
| Mercury | 0.200% |
| City | Population | Air Quality Index | National Avg. |
| Hitchita, OK | 60 | 5 | 90.0% |
| Oktaha, OK | 292 | 5 | 90.0% |
| Grayson, OK | 178 | 5 | 90.0% |
| Checotah, OK | 3,113 | 5 | 90.0% |
| Taft, OK | 125 | 5 | 90.0% |
| Boynton, OK | 151 | 5 | 90.0% |
| City | Population | Air Quality Index | National Avg. |
| Kobuk, AK | 151 | 38 | 24.0% |
| Cutter, AZ | 151 | 60 | 20.0% |
| North San Juan, CA | 151 | 44 | 12.0% |
| Winterhaven, CA | 151 | 45 | 10.0% |
| Montezuma, CO | 151 | 47 | 6.0% |
| Boynton, OK | 151 | 5 | 90.0% |
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