| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 18°F | 45°F | 29°F | 2.6" |
| February | 23°F | 47°F | 34°F | 2.7" |
| March | 23°F | 56°F | 39°F | 1.7" |
| April | 29°F | 65°F | 47°F | 2.2" |
| May | 37°F | 74°F | 56°F | 3.1" |
| June | 43°F | 84°F | 66°F | 0.3" |
| July | 51°F | 90°F | 72°F | 2.8" |
| August | 52°F | 83°F | 67°F | 5.5" |
| September | 43°F | 78°F | 61°F | 2.0" |
| October | 31°F | 68°F | 49°F | 3.4" |
| November | 20°F | 60°F | 39°F | 0.4" |
| December | 13°F | 45°F | 28°F | 3.1" |
| Index | Steamboat | Arizona | National |
| Air quality index | 17 | 57 | 42 |
| Pollution index | 5,861,710 | 9,766,019 | 2,726,193 |
| Measurement | Total |
| Days measured | 128 |
| Days with good air quality | 127 |
| Days with moderate air quality | 1 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.310% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.090% |
| Mercury | 0.250% |
| City | Population | Air Quality Index | National Avg. |
| Toyei, AZ | 0 | 17 | 66.0% |
| Whitecone, AZ | 828 | 17 | 66.0% |
| Burnside, AZ | 723 | 17 | 66.0% |
| Low Mountain, AZ | 554 | 17 | 66.0% |
| Cornfields, AZ | 279 | 17 | 66.0% |
| Steamboat, AZ | 375 | 17 | 66.0% |
| City | Population | Air Quality Index | National Avg. |
| Portland, AR | 375 | 43 | 14.0% |
| Wabbaseka, AR | 375 | 45 | 10.0% |
| Rollinsville, CO | 375 | 47 | 6.0% |
| Braswell, GA | 375 | 44 | 12.0% |
| Lomax, IL | 375 | 29 | 42.0% |
| Steamboat, AZ | 375 | 17 | 66.0% |
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