Mayhill, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3 °C (low) to 19.8 °C (high). Annual precipitation averages 529.6 Millimeters. Mayhill 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 | -5.2 °C | 10.7 °C | 18.54 mm |
| February | -3.7 °C | 12.4 °C | 22.35 mm |
| March | -1.6 °C | 15.8 °C | 12.45 mm |
| April | 1.4 °C | 19.4 °C | 17.02 mm |
| May | 5.6 °C | 23.8 °C | 29.21 mm |
| June | 10.2 °C | 28.6 °C | 43.18 mm |
| July | 12.4 °C | 28.1 °C | 96.52 mm |
| August | 11.9 °C | 27.2 °C | 120.65 mm |
| September | 8.6 °C | 24.7 °C | 82.04 mm |
| October | 3.2 °C | 20.6 °C | 42.16 mm |
| November | -1.8 °C | 15.1 °C | 17.53 mm |
| December | -4.9 °C | 10.7 °C | 27.94 mm |
| Annual | 3 °C | 19.8 °C | 529.59 mm |
| 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |