Las Cruces, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 9.1 °C (low) to 26.1 °C (high). Annual precipitation averages 262.1 Millimeters. Las Cruces is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.4 °C | 14.9 °C | 12.95 mm |
| February | 0.7 °C | 17.9 °C | 11.94 mm |
| March | 4.2 °C | 22.1 °C | 6.6 mm |
| April | 7.8 °C | 26.3 °C | 7.37 mm |
| May | 12.6 °C | 31.3 °C | 12.95 mm |
| June | 18.1 °C | 36.2 °C | 16 mm |
| July | 20.6 °C | 35.9 °C | 48.01 mm |
| August | 19.7 °C | 34.7 °C | 54.36 mm |
| September | 15.8 °C | 31.8 °C | 36.32 mm |
| October | 9.2 °C | 26.9 °C | 24.64 mm |
| November | 2.7 °C | 20.1 °C | 13.21 mm |
| December | -1.4 °C | 14.6 °C | 17.78 mm |
| Annual | 9.1 °C | 26.1 °C | 262.13 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |