| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F | |
| Average First Frost Date: | Jan. 21 - Jan. 31 | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| Koppen-Geiger Climate Zone: | BWh - Hot Desert Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 151 - 180 days Over 86°F |
Annual Climate Data for ZIP Code 85255 - Scottsdale, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 40 | 43 | 46 | 51 | 60 | 69 | 75 | 75 | 69 | 59 | 47 | 40 | 56 |
| Avg Max Temp (°F) | 64 | 68 | 72 | 80 | 90 | 99 | 102 | 101 | 96 | 85 | 72 | 64 | 83 |
| Avg Precip (In.) | 1.65 | 1.85 | 2.32 | .63 | .38 | .16 | .95 | 1.15 | .95 | .98 | 1.28 | 1.45 | 13.73 |