El Mirage, Arizona has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 15.4 °C (low) to 30.5 °C (high). Annual precipitation averages 225.3 Millimeters. El Mirage is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.7 °C | 19.6 °C | 25.91 mm |
| February | 7.1 °C | 21.6 °C | 32 mm |
| March | 10.2 °C | 25.3 °C | 30.23 mm |
| April | 13.1 °C | 29.6 °C | 6.6 mm |
| May | 18.4 °C | 34.6 °C | 7.37 mm |
| June | 23.3 °C | 39.9 °C | 1.02 mm |
| July | 26.8 °C | 41.3 °C | 20.07 mm |
| August | 26.6 °C | 40.6 °C | 25.65 mm |
| September | 22.9 °C | 37.9 °C | 18.03 mm |
| October | 15.9 °C | 31.7 °C | 14.48 mm |
| November | 9.4 °C | 24.5 °C | 16.51 mm |
| December | 5.3 °C | 18.9 °C | 27.43 mm |
| Annual | 15.4 °C | 30.5 °C | 225.3 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |