| 2023 Hardiness Zone: | 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. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 25j - Shinnery Sands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 88203 - Roswell, NM | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 28 | 35 | 43 | 52 | 60 | 64 | 63 | 56 | 45 | 33 | 25 | 44 |
| Avg Max Temp (°F) | 56 | 62 | 70 | 78 | 86 | 94 | 95 | 93 | 86 | 76 | 64 | 57 | 76 |
| Avg Precip (In.) | .42 | .45 | .37 | .59 | 1.63 | 1.96 | 2.26 | 2.65 | 2.53 | 1.33 | .65 | .61 | 15.46 |