| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 30°F | 56°F | 41°F | 0.9" |
| February | 33°F | 60°F | 44°F | 1.2" |
| March | 43°F | 71°F | 55°F | 2.1" |
| April | 51°F | 79°F | 63°F | 4.4" |
| May | 60°F | 86°F | 72°F | 4.1" |
| June | 70°F | 95°F | 82°F | 3.4" |
| July | 73°F | 98°F | 85°F | 3.2" |
| August | 73°F | 98°F | 84°F | 3.0" |
| September | 65°F | 90°F | 76°F | 2.7" |
| October | 53°F | 80°F | 65°F | 2.9" |
| November | 41°F | 67°F | 53°F | 1.3" |
| December | 32°F | 55°F | 41°F | 1.3" |
| Index | Devol | Oklahoma | National |
| Air quality index | 26 | 55 | 42 |
| Pollution index | 294,890 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 345 |
| Days with good air quality | 308 |
| Days with moderate air quality | 37 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.005% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Cashion Community, TX | 245 | 26 | 48.0% |
| Grandfield, OK | 1,017 | 26 | 48.0% |
| Randlett, OK | 338 | 26 | 48.0% |
| Burkburnett, TX | 11,241 | 26 | 48.0% |
| Loveland, OK | 5 | 43 | 14.0% |
| Devol, OK | 106 | 26 | 48.0% |
| City | Population | Air Quality Index | National Avg. |
| Franklin CDP (Sacramento County), CA | 106 | 48 | 4.0% |
| Vona, CO | 106 | 45 | 10.0% |
| Arion, IA | 106 | 40 | 20.0% |
| Carpenter, IA | 106 | 15 | 70.0% |
| Popejoy, IA | 106 | 15 | 70.0% |
| Devol, OK | 106 | 26 | 48.0% |
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