La Joya, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 5 °C (low) to 23.5 °C (high). Annual precipitation averages 209.1 Millimeters. La Joya is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6 °C | 11.4 °C | 7.87 mm |
| February | -3.7 °C | 15.1 °C | 7.11 mm |
| March | 0.3 °C | 19.6 °C | 11.18 mm |
| April | 3.7 °C | 23.6 °C | 9.4 mm |
| May | 9 °C | 28.6 °C | 11.43 mm |
| June | 14.1 °C | 34.2 °C | 11.94 mm |
| July | 17.3 °C | 34.5 °C | 39.12 mm |
| August | 16.3 °C | 33.2 °C | 34.8 mm |
| September | 12.1 °C | 30.1 °C | 32.77 mm |
| October | 4.8 °C | 23.9 °C | 19.56 mm |
| November | -1.5 °C | 16.9 °C | 10.41 mm |
| December | -5.9 °C | 11.1 °C | 13.46 mm |
| Annual | 5 °C | 23.5 °C | 209.05 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |