Carlsbad, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 48.5 °F (low) to 79 °F (high). Annual precipitation averages 12.7 Inches. Carlsbad is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.4 °F | 59.1 °F | 0.46 in. |
| February | 32.6 °F | 64.1 °F | 0.41 in. |
| March | 39.2 °F | 72.4 °F | 0.5 in. |
| April | 46.7 °F | 80.4 °F | 0.56 in. |
| May | 56.8 °F | 88.6 °F | 1.07 in. |
| June | 65.9 °F | 97.1 °F | 1.26 in. |
| July | 69.5 °F | 96.9 °F | 1.94 in. |
| August | 68.2 °F | 95.6 °F | 1.81 in. |
| September | 60.8 °F | 88.5 °F | 2.51 in. |
| October | 48.7 °F | 79.5 °F | 1.04 in. |
| November | 36.3 °F | 67.6 °F | 0.59 in. |
| December | 29.0 °F | 58.6 °F | 0.56 in. |
| Annual | 48.5 °F | 79 °F | 12.71 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |