La Plata, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 35.6 °F (low) to 67 °F (high). Annual precipitation averages 10.4 Inches. La Plata is located in USDA Plant Hardiness Zone 6b. 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 | 17.0 °F | 42.5 °F | 0.89 in. |
| February | 21.3 °F | 48.4 °F | 0.8 in. |
| March | 27.1 °F | 57.8 °F | 0.82 in. |
| April | 32.7 °F | 66.1 °F | 0.71 in. |
| May | 40.9 °F | 75.6 °F | 0.63 in. |
| June | 49.4 °F | 86.8 °F | 0.37 in. |
| July | 57.5 °F | 91.0 °F | 1.01 in. |
| August | 55.8 °F | 88.3 °F | 1.35 in. |
| September | 47.3 °F | 81.1 °F | 1.19 in. |
| October | 35.3 °F | 68.5 °F | 1.13 in. |
| November | 25.0 °F | 54.6 °F | 0.69 in. |
| December | 17.5 °F | 43.0 °F | 0.79 in. |
| Annual | 35.6 °F | 67 °F | 10.38 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |