| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°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: | BSh - Hot Semi-Arid Climate | |
| Ecoregion: | 24a - Chihuahuan Basins and Playas | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 151 - 180 days Over 86°F |
Annual Climate Data for ZIP Code 79772 - Pecos, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 28 | 32 | 38 | 46 | 57 | 66 | 69 | 68 | 61 | 49 | 36 | 29 | 48 |
| Avg Max Temp (°F) | 60 | 67 | 75 | 83 | 91 | 98 | 99 | 97 | 90 | 82 | 70 | 61 | 81 |
| Avg Precip (In.) | .47 | .45 | .33 | .48 | 1.25 | 1.23 | 1.37 | 1.64 | 2.22 | 1.11 | .47 | .61 | 11.6 |