Alcalde, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.8 °C (low) to 20.2 °C (high). Annual precipitation averages 275.3 Millimeters. Alcalde is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.3 °C | 8.1 °C | 12.19 mm |
| February | -6.1 °C | 10.9 °C | 9.4 mm |
| March | -3 °C | 16.1 °C | 18.54 mm |
| April | 0.7 °C | 19.9 °C | 17.02 mm |
| May | 5.1 °C | 24.9 °C | 19.81 mm |
| June | 9.8 °C | 30.4 °C | 19.05 mm |
| July | 13.8 °C | 31.9 °C | 40.89 mm |
| August | 12.8 °C | 30.3 °C | 44.7 mm |
| September | 8.1 °C | 27.1 °C | 32 mm |
| October | 1.3 °C | 21 °C | 28.96 mm |
| November | -4.6 °C | 13.9 °C | 16.26 mm |
| December | -8.1 °C | 8.1 °C | 16.51 mm |
| Annual | 1.8 °C | 20.2 °C | 275.33 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |