| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 24a - Chihuahuan Basins and Playas | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 88201 - Roswell, NM | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 26 | 33 | 41 | 51 | 60 | 64 | 62 | 55 | 43 | 30 | 22 | 42 |
| Avg Max Temp (°F) | 55 | 61 | 69 | 77 | 85 | 93 | 94 | 92 | 85 | 76 | 65 | 56 | 76 |
| Avg Precip (In.) | .45 | .42 | .38 | .61 | 1.33 | 1.8 | 2.19 | 2.47 | 2 | 1.3 | .66 | .6 | 14.19 |