| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 46°F | 34°F | 7.1" |
| February | 30°F | 53°F | 40°F | 2.7" |
| March | 41°F | 68°F | 53°F | 9.2" |
| April | 46°F | 70°F | 57°F | 4.5" |
| May | 57°F | 80°F | 68°F | 8.4" |
| June | 66°F | 87°F | 76°F | 8.7" |
| July | 68°F | 91°F | 79°F | 6.8" |
| August | 70°F | 95°F | 81°F | 7.0" |
| September | 62°F | 87°F | 73°F | 4.9" |
| October | 49°F | 75°F | 60°F | 5.0" |
| November | 36°F | 66°F | 50°F | 3.0" |
| December | 24°F | 49°F | 35°F | 3.1" |
| Index | Avant | Oklahoma | National |
| Air quality index | 45 | 55 | 42 |
| Pollution index | 261,723 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 249 |
| Days with moderate air quality | 114 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.003% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Pawhuska, OK | 3,456 | 40 | 20.0% |
| Skiatook, OK | 8,036 | 45 | 10.0% |
| Collinsville, OK | 7,140 | 45 | 10.0% |
| Sperry, OK | 1,145 | 45 | 10.0% |
| Barnsdall, OK | 1,060 | 45 | 10.0% |
| Avant, OK | 289 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Sipsey, AL | 289 | 53 | 6.0% |
| Albion, CA | 289 | 33 | 34.0% |
| Cherokee Strip, CA | 289 | 67 | 34.0% |
| Hood, CA | 289 | 52 | 4.0% |
| Vermilion, IL | 289 | 45 | 10.0% |
| Avant, OK | 289 | 45 | 10.0% |
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