Ruidoso, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 36.4 °F (low) to 66.6 °F (high). Annual precipitation averages 21.3 Inches. Ruidoso is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.2 °F | 49.8 °F | 1.0 in. |
| February | 24.4 °F | 52.7 °F | 0.99 in. |
| March | 28.4 °F | 59.2 °F | 0.84 in. |
| April | 33.4 °F | 65.9 °F | 0.76 in. |
| May | 41.2 °F | 74.4 °F | 1.34 in. |
| June | 49.0 °F | 83.3 °F | 1.38 in. |
| July | 53.2 °F | 82.2 °F | 4.39 in. |
| August | 52.3 °F | 80.5 °F | 3.75 in. |
| September | 46.1 °F | 75.8 °F | 3.06 in. |
| October | 36.2 °F | 67.9 °F | 1.69 in. |
| November | 28.1 °F | 57.9 °F | 0.91 in. |
| December | 22.6 °F | 49.6 °F | 1.2 in. |
| Annual | 36.4 °F | 66.6 °F | 21.31 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |