| 2023 Hardiness Zone: | 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: | No Frost | |
| Average Last Frost Date: | No Frost | |
| 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 85004 - Phoenix, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 41 | 44 | 48 | 54 | 62 | 71 | 78 | 77 | 71 | 59 | 47 | 41 | 58 |
| Avg Max Temp (°F) | 67 | 72 | 77 | 85 | 93 | 103 | 105 | 103 | 99 | 88 | 75 | 67 | 86 |
| Avg Precip (In.) | .87 | .91 | 1.13 | .27 | .18 | .09 | .85 | 1.01 | .76 | .77 | .74 | .92 | 8.51 |