| 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 8a: 10°F to 15°F Zone 7b: 5°F to 10°F | |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 1 - Apr. 10 | |
| Koppen-Geiger Climate Zone: | BWk - Cold Desert Climate | |
| Ecoregion: | 24b - Chihuahuan Desert Grasslands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 79855 - Van Horn, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 31 | 37 | 44 | 54 | 62 | 65 | 63 | 57 | 46 | 35 | 28 | 46 |
| Avg Max Temp (°F) | 58 | 63 | 70 | 78 | 86 | 89 | 92 | 90 | 85 | 77 | 66 | 58 | 76 |
| Avg Precip (In.) | .49 | .41 | .25 | .41 | .77 | 1.39 | 2.18 | 1.97 | 2.14 | 1.14 | .46 | .59 | 12.22 |