| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 28°F | 49°F | 37°F | 6.5" |
| February | 31°F | 52°F | 40°F | 4.6" |
| March | 42°F | 63°F | 51°F | 7.3" |
| April | 49°F | 71°F | 59°F | 8.6" |
| May | 57°F | 77°F | 66°F | 11.2" |
| June | 67°F | 87°F | 76°F | 9.6" |
| July | 69°F | 91°F | 79°F | 10.8" |
| August | 69°F | 90°F | 78°F | 9.2" |
| September | 61°F | 82°F | 71°F | 10.4" |
| October | 49°F | 72°F | 59°F | 8.0" |
| November | 41°F | 61°F | 50°F | 6.4" |
| December | 31°F | 50°F | 39°F | 7.6" |
| Index | Spavinaw | Oklahoma | National |
| Air quality index | 36 | 55 | 42 |
| Pollution index | 1,549,330 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 291 |
| Days with good air quality | 269 |
| Days with moderate air quality | 22 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.230% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.070% |
| Mercury | 0.210% |
| City | Population | Air Quality Index | National Avg. |
| Pryor Creek, OK | 9,417 | 36 | 28.0% |
| Wickliffe, OK | 795 | 36 | 28.0% |
| Kansas, OK | 1,112 | 36 | 28.0% |
| Snake Creek, OK | 320 | 36 | 28.0% |
| Hoot Owl, OK | 0 | 36 | 28.0% |
| Spavinaw, OK | 426 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| Castleberry, AL | 426 | 41 | 18.0% |
| Ravenden, AR | 426 | 36 | 28.0% |
| Stotonic Village, AZ | 426 | 74 | 48.0% |
| Comanche Creek, CO | 426 | 45 | 10.0% |
| Ludlow, IL | 426 | 42 | 16.0% |
| Spavinaw, OK | 426 | 36 | 28.0% |
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