| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 41°F | 68°F | 53°F | 3.6" |
| February | 44°F | 72°F | 57°F | 1.5" |
| March | 50°F | 80°F | 65°F | 2.3" |
| April | 56°F | 87°F | 72°F | 5.5" |
| May | 64°F | 94°F | 80°F | 8.4" |
| June | 75°F | 105°F | 92°F | 0.2" |
| July | 83°F | 107°F | 95°F | 8.1" |
| August | 81°F | 105°F | 93°F | 6.2" |
| September | 74°F | 100°F | 87°F | 2.8" |
| October | 60°F | 90°F | 75°F | 0.9" |
| November | 49°F | 78°F | 63°F | 1.4" |
| December | 41°F | 66°F | 52°F | 2.9" |
| Index | Youngtown | 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. |
| Goodyear Village, AZ | 253 | 74 | 48.0% |
| Surprise, AZ | 127,492 | 74 | 48.0% |
| Glendale, AZ | 239,943 | 74 | 48.0% |
| Citrus Park, AZ | 4,832 | 74 | 48.0% |
| Litchfield Park, AZ | 5,449 | 74 | 48.0% |
| Youngtown, AZ | 6,563 | 74 | 48.0% |
| City | Population | Air Quality Index | National Avg. |
| California, PA | 6,564 | 56 | 12.0% |
| Osprey, FL | 6,561 | 38 | 24.0% |
| Crockett, TX | 6,561 | 36 | 28.0% |
| Westlock County, AB | 6,565 | n/a | |
| Irvington, NY | 6,559 | 51 | 2.0% |
| Youngtown, AZ | 6,563 | 74 | 48.0% |
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