Indio, California has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 15.3 °C (low) to 30.5 °C (high). Annual precipitation averages 64.8 Millimeters. Indio is located in USDA Plant Hardiness Zone 10a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.3 °C | 20.8 °C | 16.76 mm |
| February | 8.2 °C | 22.6 °C | 12.19 mm |
| March | 11.3 °C | 26 °C | 8.64 mm |
| April | 14.1 °C | 29.4 °C | 2.03 mm |
| May | 17.9 °C | 33.3 °C | 0.51 mm |
| June | 21.6 °C | 38 °C | 0 mm |
| July | 25.3 °C | 40.4 °C | 1.27 mm |
| August | 25.6 °C | 40.3 °C | 3.05 mm |
| September | 21.9 °C | 37.8 °C | 3.05 mm |
| October | 16.2 °C | 32.1 °C | 2.79 mm |
| November | 9.4 °C | 25.4 °C | 3.05 mm |
| December | 5.4 °C | 20.1 °C | 11.43 mm |
| Annual | 15.3 °C | 30.5 °C | 64.77 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 10a : -1.1°C to 1.7°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWh - Hot Desert Climate |