Winston, New Mexico has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 36.2 °F (low) to 70 °F (high). Annual precipitation averages 13.3 Inches. Winston is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.6 °F | 51.7 °F | 0.49 in. |
| February | 22.6 °F | 55.5 °F | 0.36 in. |
| March | 27.6 °F | 62.6 °F | 0.29 in. |
| April | 33.4 °F | 70.1 °F | 0.27 in. |
| May | 41.1 °F | 78.4 °F | 0.65 in. |
| June | 50.2 °F | 88.1 °F | 0.74 in. |
| July | 56.3 °F | 87.3 °F | 3.04 in. |
| August | 54.8 °F | 83.9 °F | 3.48 in. |
| September | 47.6 °F | 79.4 °F | 1.74 in. |
| October | 36.2 °F | 71.2 °F | 0.95 in. |
| November | 25.6 °F | 60.2 °F | 0.49 in. |
| December | 19.5 °F | 51.6 °F | 0.84 in. |
| Annual | 36.2 °F | 70 °F | 13.34 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 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 | Cfa - Humid Subtropical Climate |