Cotton City, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 7.4 °C (low) to 25.5 °C (high). Annual precipitation averages 265.4 Millimeters. Cotton City is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.2 °C | 14.9 °C | 18.54 mm |
| February | -0.6 °C | 17.4 °C | 14.99 mm |
| March | 2.2 °C | 21.4 °C | 12.95 mm |
| April | 4.9 °C | 25.6 °C | 4.32 mm |
| May | 9.8 °C | 30.3 °C | 5.33 mm |
| June | 15.3 °C | 35.4 °C | 9.65 mm |
| July | 18.7 °C | 34.9 °C | 52.07 mm |
| August | 17.9 °C | 33.7 °C | 54.61 mm |
| September | 14.5 °C | 31.4 °C | 30.73 mm |
| October | 7.8 °C | 26.6 °C | 20.07 mm |
| November | 1.8 °C | 20.1 °C | 15.75 mm |
| December | -1.8 °C | 14.6 °C | 26.42 mm |
| Annual | 7.4 °C | 25.5 °C | 265.43 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |