San Ildefonso Pueblo, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.5 °C (low) to 21.2 °C (high). Annual precipitation averages 260.6 Millimeters. San Ildefonso Pueblo is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.7 °C | 8.8 °C | 12.45 mm |
| February | -5.7 °C | 11.7 °C | 9.65 mm |
| March | -2.4 °C | 16.7 °C | 17.53 mm |
| April | 1.4 °C | 21.2 °C | 13.46 mm |
| May | 5.9 °C | 26.1 °C | 18.54 mm |
| June | 10.8 °C | 31.8 °C | 16 mm |
| July | 14.6 °C | 33.1 °C | 38.1 mm |
| August | 13.5 °C | 31.6 °C | 40.89 mm |
| September | 8.9 °C | 28.2 °C | 29.97 mm |
| October | 1.9 °C | 22.2 °C | 29.72 mm |
| November | -4.2 °C | 14.5 °C | 17.78 mm |
| December | -7.6 °C | 8.8 °C | 16.51 mm |
| Annual | 2.5 °C | 21.2 °C | 260.6 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 |