| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°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: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 85362 - Yarnell, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 26 | 29 | 34 | 41 | 49 | 58 | 57 | 50 | 39 | 29 | 24 | 38 |
| Avg Max Temp (°F) | 52 | 56 | 59 | 66 | 75 | 86 | 90 | 87 | 82 | 72 | 60 | 53 | 70 |
| Avg Precip (In.) | 1.9 | 2.33 | 2.11 | .82 | .6 | .41 | 2.66 | 3.34 | 1.98 | 1.27 | 1.36 | 1.41 | 20.19 |