Tucumcari, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 44.1 °F (low) to 73.8 °F (high). Annual precipitation averages 15.8 Inches. Tucumcari is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.0 °F | 52.9 °F | 0.44 in. |
| February | 27.3 °F | 57.7 °F | 0.4 in. |
| March | 34.1 °F | 65.7 °F | 0.91 in. |
| April | 41.6 °F | 73.1 °F | 0.97 in. |
| May | 51.7 °F | 82.3 °F | 1.63 in. |
| June | 61.4 °F | 92.1 °F | 1.9 in. |
| July | 65.9 °F | 94.5 °F | 2.73 in. |
| August | 64.2 °F | 92.1 °F | 2.49 in. |
| September | 57.1 °F | 85.4 °F | 1.61 in. |
| October | 44.0 °F | 74.5 °F | 1.41 in. |
| November | 32.6 °F | 62.4 °F | 0.65 in. |
| December | 25.0 °F | 52.9 °F | 0.66 in. |
| Annual | 44.1 °F | 73.8 °F | 15.8 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |