Picture Rocks, Arizona has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 13.1 °C (low) to 29.4 °C (high). Annual precipitation averages 270.5 Millimeters. Picture Rocks is located in USDA Plant Hardiness Zone 9a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.6 °C | 19.3 °C | 22.35 mm |
| February | 5.1 °C | 20.9 °C | 22.86 mm |
| March | 7.8 °C | 24.8 °C | 16.51 mm |
| April | 10.6 °C | 28.6 °C | 9.4 mm |
| May | 15.3 °C | 33.6 °C | 6.86 mm |
| June | 20.6 °C | 38.8 °C | 3.56 mm |
| July | 24.3 °C | 38.8 °C | 44.45 mm |
| August | 23.9 °C | 37.7 °C | 55.88 mm |
| September | 20.7 °C | 35.9 °C | 29.72 mm |
| October | 14 °C | 30.9 °C | 20.57 mm |
| November | 7.6 °C | 24.4 °C | 12.95 mm |
| December | 3.3 °C | 18.6 °C | 25.4 mm |
| Annual | 13.1 °C | 29.4 °C | 270.51 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 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |