| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Jan. 11 - Jan. 20 | |
| 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 85249 - Chandler, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 41 | 45 | 50 | 58 | 67 | 75 | 74 | 67 | 55 | 42 | 37 | 54 |
| Avg Max Temp (°F) | 66 | 71 | 76 | 85 | 94 | 103 | 105 | 103 | 99 | 88 | 74 | 66 | 86 |
| Avg Precip (In.) | .89 | .97 | 1.16 | .31 | .18 | .06 | .88 | 1.2 | .77 | .78 | .8 | .98 | 8.99 |