Scottsdale, Arizona has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 15.6 °C (low) to 30.2 °C (high). Annual precipitation averages 229.6 Millimeters. Scottsdale is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.9 °C | 19.6 °C | 29.72 mm |
| February | 7.6 °C | 21.4 °C | 29.21 mm |
| March | 10.2 °C | 25 °C | 25.4 mm |
| April | 13.4 °C | 29 °C | 8.64 mm |
| May | 18.2 °C | 34.2 °C | 4.06 mm |
| June | 22.8 °C | 39.4 °C | 1.27 mm |
| July | 26.8 °C | 40.8 °C | 25.15 mm |
| August | 26.6 °C | 40.2 °C | 32.51 mm |
| September | 23.1 °C | 37.6 °C | 18.29 mm |
| October | 16.4 °C | 31.7 °C | 13.21 mm |
| November | 10.2 °C | 24.6 °C | 14.73 mm |
| December | 5.7 °C | 19 °C | 27.43 mm |
| Annual | 15.6 °C | 30.2 °C | 229.62 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 |