| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 43°F | 65°F | 53°F | 5.1" |
| February | 48°F | 69°F | 58°F | 6.2" |
| March | 52°F | 77°F | 64°F | 3.1" |
| April | 57°F | 84°F | 71°F | 2.1" |
| May | 67°F | 94°F | 82°F | 0.1" |
| June | 75°F | 102°F | 90°F | 0.0" |
| July | 82°F | 106°F | 95°F | 0.9" |
| August | 81°F | 103°F | 92°F | 7.3" |
| September | 75°F | 99°F | 87°F | 0.9" |
| October | 64°F | 89°F | 76°F | 2.4" |
| November | 52°F | 79°F | 66°F | 23.4" |
| December | 41°F | 66°F | 52°F | 12.4" |
| Index | Gold Canyon | Arizona | National |
| Air quality index | 74 | 57 | 42 |
| Pollution index | 4,063,380 | 9,766,019 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 50 |
| Days with moderate air quality | 261 |
| Days w/ poor A.Q. for sensitive groups | 42 |
| Days with unhealthy air quality | 2 |
| Pollutant | Total |
| Arsenic | 0.004% |
| Benzene | 0.060% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.040% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Queen Creek, AZ | 53,585 | 74 | 48.0% |
| Queen Valley, AZ | 680 | 74 | 48.0% |
| San Tan Valley, AZ | 108,601 | 74 | 48.0% |
| Apache Junction, AZ | 43,334 | 74 | 48.0% |
| Gold Canyon, AZ | 12,284 | 74 | 48.0% |
| City | Population | Air Quality Index | National Avg. |
| Healdsburg, CA | 12,288 | 34 | 32.0% |
| Eufaula, AL | 12,279 | 42 | 16.0% |
| Crestwood, MO | 12,278 | 54 | 8.0% |
| Elon, NC | 12,276 | 31 | 38.0% |
| Pennsville, NJ | 12,293 | 40 | 20.0% |
| Gold Canyon, AZ | 12,284 | 74 | 48.0% |