Hernandez, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.3 °F (low) to 69 °F (high). Annual precipitation averages 10.4 Inches. Hernandez is located in USDA Plant Hardiness Zone 7a. 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 | 17.3 °F | 47.0 °F | 0.45 in. |
| February | 20.9 °F | 52.2 °F | 0.33 in. |
| March | 26.7 °F | 61.2 °F | 0.57 in. |
| April | 33.4 °F | 68.6 °F | 0.55 in. |
| May | 41.4 °F | 77.6 °F | 0.76 in. |
| June | 50.0 °F | 87.6 °F | 0.65 in. |
| July | 57.0 °F | 90.1 °F | 1.59 in. |
| August | 55.2 °F | 87.3 °F | 1.88 in. |
| September | 46.9 °F | 81.4 °F | 1.25 in. |
| October | 34.5 °F | 70.7 °F | 1.12 in. |
| November | 23.5 °F | 57.6 °F | 0.66 in. |
| December | 17.3 °F | 47.2 °F | 0.59 in. |
| Annual | 35.3 °F | 69 °F | 10.4 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |