Capitan, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 38 °F (low) to 68.5 °F (high). Annual precipitation averages 16.1 Inches. Capitan is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.7 °F | 50.7 °F | 0.59 in. |
| February | 25.5 °F | 54.3 °F | 0.54 in. |
| March | 29.8 °F | 60.8 °F | 0.58 in. |
| April | 35.1 °F | 68.4 °F | 0.43 in. |
| May | 43.3 °F | 76.6 °F | 0.95 in. |
| June | 51.7 °F | 85.7 °F | 1.54 in. |
| July | 55.6 °F | 85.0 °F | 3.33 in. |
| August | 54.4 °F | 83.0 °F | 3.28 in. |
| September | 48.2 °F | 78.0 °F | 2.34 in. |
| October | 37.7 °F | 69.8 °F | 1.1 in. |
| November | 28.8 °F | 59.0 °F | 0.56 in. |
| December | 23.1 °F | 50.4 °F | 0.82 in. |
| Annual | 38 °F | 68.5 °F | 16.06 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |