| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°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. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate |
| Ecoregion: | 26d - Semiarid Canadian Breaks |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 88401 - Tucumcari, NM | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 27 | 34 | 42 | 51 | 60 | 64 | 63 | 55 | 44 | 32 | 24 | 43 |
| Avg Max Temp (°F) | 52 | 57 | 65 | 72 | 81 | 90 | 93 | 90 | 84 | 74 | 61 | 53 | 73 |
| Avg Precip (In.) | .41 | .43 | .81 | 1.11 | 1.82 | 2.18 | 2.64 | 2.75 | 1.68 | 1.43 | .75 | .53 | 16.54 |