| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F | |
| Average First Frost Date: | Frost Rare | |
| 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: | 181 - 210 days Over 86°F |
Annual Climate Data for ZIP Code 85259 - Scottsdale, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 42 | 46 | 51 | 59 | 68 | 75 | 75 | 68 | 57 | 45 | 39 | 55 |
| Avg Max Temp (°F) | 66 | 70 | 74 | 82 | 92 | 101 | 104 | 102 | 97 | 87 | 74 | 66 | 85 |
| Avg Precip (In.) | 1.16 | 1.16 | 1.3 | .3 | .19 | .09 | .88 | 1.19 | .84 | .89 | .9 | 1.07 | 9.96 |