Truchas, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.8 °F (low) to 59.8 °F (high). Annual precipitation averages 16 Inches. Truchas is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.8 °F | 41.3 °F | 0.67 in. |
| February | 17.0 °F | 43.7 °F | 0.83 in. |
| March | 22.2 °F | 50.8 °F | 1.18 in. |
| April | 27.2 °F | 57.4 °F | 1.16 in. |
| May | 34.8 °F | 66.7 °F | 1.16 in. |
| June | 45.1 °F | 77.2 °F | 0.92 in. |
| July | 49.4 °F | 79.8 °F | 2.14 in. |
| August | 48.0 °F | 77.3 °F | 2.59 in. |
| September | 42.0 °F | 71.8 °F | 1.56 in. |
| October | 32.2 °F | 61.4 °F | 1.52 in. |
| November | 22.2 °F | 49.6 °F | 1.13 in. |
| December | 15.4 °F | 41.0 °F | 1.1 in. |
| Annual | 30.8 °F | 59.8 °F | 15.96 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |