| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Nov. 11 - Nov. 20 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 86327 - Dewey, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 29 | 33 | 37 | 45 | 54 | 61 | 60 | 53 | 43 | 33 | 27 | 42 |
| Avg Max Temp (°F) | 53 | 57 | 61 | 68 | 77 | 88 | 91 | 89 | 83 | 73 | 61 | 53 | 71 |
| Avg Precip (In.) | 1.4 | 1.86 | 1.75 | .71 | .55 | .32 | 2.07 | 2.55 | 1.66 | 1.22 | 1.08 | 1.11 | 16.28 |