| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | Jul. 1 - Jul. 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 85920 - Alpine, AZ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 14 | 17 | 20 | 24 | 30 | 37 | 45 | 45 | 38 | 28 | 20 | 14 | 28 |
| Avg Max Temp (°F) | 45 | 48 | 52 | 59 | 66 | 77 | 78 | 74 | 71 | 62 | 52 | 46 | 61 |
| Avg Precip (In.) | 1.48 | 1.53 | 1.17 | .74 | .71 | .83 | 3.02 | 4.3 | 2.23 | 2.04 | 1.36 | 1.21 | 20.62 |