| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 8a: 10°F to 15°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 151 - 180 days Over 86°F |
Annual Climate Data for ZIP Code 85540 - Morenci, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 33 | 36 | 41 | 49 | 59 | 66 | 62 | 57 | 47 | 37 | 30 | 46 |
| Avg Max Temp (°F) | 53 | 59 | 63 | 71 | 82 | 91 | 93 | 91 | 87 | 76 | 63 | 53 | 73 |
| Avg Precip (In.) | 1.28 | 1.2 | 1.07 | .39 | .6 | .63 | 2.64 | 2.85 | 1.9 | 1.6 | 1.02 | 1.4 | 16.58 |