Cimarron, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.2 °F (low) to 66.2 °F (high). Annual precipitation averages 17.1 Inches. Cimarron is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.6 °F | 47.3 °F | 0.5 in. |
| February | 18.0 °F | 50.3 °F | 0.57 in. |
| March | 24.4 °F | 57.7 °F | 0.91 in. |
| April | 30.8 °F | 64.9 °F | 1.31 in. |
| May | 39.8 °F | 73.1 °F | 1.9 in. |
| June | 48.3 °F | 82.8 °F | 1.74 in. |
| July | 52.8 °F | 85.1 °F | 2.94 in. |
| August | 51.7 °F | 82.9 °F | 3.19 in. |
| September | 44.5 °F | 77.8 °F | 1.78 in. |
| October | 33.2 °F | 68.7 °F | 1.2 in. |
| November | 22.9 °F | 56.4 °F | 0.6 in. |
| December | 15.8 °F | 47.2 °F | 0.47 in. |
| Annual | 33.2 °F | 66.2 °F | 17.11 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |