Palo Verde, California has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 13.5 °C (low) to 30.2 °C (high). Annual precipitation averages 99.6 Millimeters. Palo Verde is located in USDA Plant Hardiness Zone 9a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.1 °C | 19.9 °C | 16 mm |
| February | 5.9 °C | 22.1 °C | 16.51 mm |
| March | 8.7 °C | 25.8 °C | 12.19 mm |
| April | 11.7 °C | 29.2 °C | 3.05 mm |
| May | 15.9 °C | 33.5 °C | 1.27 mm |
| June | 20.1 °C | 38.4 °C | 0 mm |
| July | 24.7 °C | 40.7 °C | 5.59 mm |
| August | 25 °C | 40.2 °C | 12.45 mm |
| September | 21 °C | 37.7 °C | 9.91 mm |
| October | 13.7 °C | 31.5 °C | 5.08 mm |
| November | 7.6 °C | 24.7 °C | 4.57 mm |
| December | 3.4 °C | 19.1 °C | 12.95 mm |
| Annual | 13.5 °C | 30.2 °C | 99.57 mm |
| Average First Frost Date | Jan. 21 - Jan. 31 |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 10a : -1.1°C to 1.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BWh - Hot Desert Climate |