Rodeo, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 46.4 °F (low) to 78.8 °F (high). Annual precipitation averages 11.8 Inches. Rodeo is located in USDA Plant Hardiness Zone 8a. 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 | 29.6 °F | 60.3 °F | 0.8 in. |
| February | 32.3 °F | 64.7 °F | 0.57 in. |
| March | 37.5 °F | 71.5 °F | 0.55 in. |
| April | 42.2 °F | 78.8 °F | 0.16 in. |
| May | 50.9 °F | 87.0 °F | 0.29 in. |
| June | 61.2 °F | 96.4 °F | 0.5 in. |
| July | 66.7 °F | 95.5 °F | 2.23 in. |
| August | 64.7 °F | 92.7 °F | 2.28 in. |
| September | 58.6 °F | 89.7 °F | 1.56 in. |
| October | 46.9 °F | 80.8 °F | 0.99 in. |
| November | 36.1 °F | 68.9 °F | 0.66 in. |
| December | 29.6 °F | 59.4 °F | 1.23 in. |
| Annual | 46.4 °F | 78.8 °F | 11.82 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 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 |