| 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 8a: 10°F to 15°F Zone 7b: 5°F to 10°F | |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 85603 - Bisbee, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 35 | 38 | 43 | 50 | 59 | 62 | 60 | 56 | 48 | 37 | 33 | 46 |
| Avg Max Temp (°F) | 57 | 61 | 65 | 73 | 81 | 84 | 88 | 86 | 83 | 75 | 64 | 58 | 73 |
| Avg Precip (In.) | 1.98 | 1.66 | 1.36 | .48 | .33 | .56 | 4.5 | 3.77 | 1.79 | 1.91 | 1.13 | 1.91 | 21.36 |