| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 17°F | 43°F | 30°F | 5.5" |
| February | 23°F | 47°F | 34°F | 3.4" |
| March | 22°F | 56°F | 38°F | 2.6" |
| April | 26°F | 63°F | 44°F | 3.3" |
| May | 33°F | 73°F | 54°F | 2.0" |
| June | 38°F | 82°F | 62°F | 4.4" |
| July | 50°F | 89°F | 70°F | 4.8" |
| August | 49°F | 82°F | 65°F | 2.7" |
| September | 38°F | 77°F | 58°F | 1.8" |
| October | 30°F | 66°F | 47°F | 7.1" |
| November | 21°F | 59°F | 39°F | 1.0" |
| December | 13°F | 46°F | 28°F | 3.9" |
| Index | Tusayan | Arizona | National |
| Air quality index | 45 | 57 | 50 |
| Pollution index | 15,258,300 | 5,576,494 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 293 |
| Days with moderate air quality | 72 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.430% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.130% |
| Mercury | 0.150% |
| City, State | Population | Air Quality Index | National Avg. |
| Grand Canyon Village, AZ | 1,787 | 45 | 10% |
| Tusayan, AZ | 408 | 45 | 10% |
| City, State | Population | Air Quality Index | National Avg. |
| Starbrick, PA | 408 | 9 | 82% |
| Malcolm, NE | 408 | 31 | 38% |
| Stollings, WV | 408 | 40 | 20% |
| Crosby, MS | 408 | 45 | 10% |
| Otter Lake, MI | 408 | 38 | 24% |
| Tusayan, AZ | 408 | 45 | 10% |
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