| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F 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 Zone 10a: 30°F to 35°F | |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F | |
| 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: | 181 - 210 days Over 86°F |
Annual Climate Data for ZIP Code 85344 - Parker, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 41 | 45 | 49 | 55 | 64 | 72 | 79 | 78 | 72 | 60 | 48 | 41 | 59 |
| Avg Max Temp (°F) | 67 | 72 | 78 | 86 | 95 | 104 | 108 | 107 | 101 | 89 | 75 | 66 | 87 |
| Avg Precip (In.) | .8 | .72 | .66 | .17 | .09 | .02 | .28 | .61 | .55 | .32 | .29 | .55 | 5.08 |