San Pedro, New Mexico has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 3.4 °C (low) to 18 °C (high). Annual precipitation averages 451.1 Millimeters. San Pedro 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 | -5.8 °C | 6.2 °C | 25.65 mm |
| February | -4 °C | 8.8 °C | 20.32 mm |
| March | -1.1 °C | 13.1 °C | 32.51 mm |
| April | 1.7 °C | 17.2 °C | 24.38 mm |
| May | 6.4 °C | 22.5 °C | 27.69 mm |
| June | 11.3 °C | 28.6 °C | 26.16 mm |
| July | 13.6 °C | 29.6 °C | 76.71 mm |
| August | 12.9 °C | 28.1 °C | 75.69 mm |
| September | 9.4 °C | 25.1 °C | 45.21 mm |
| October | 3.8 °C | 18.8 °C | 35.05 mm |
| November | -1.7 °C | 11.8 °C | 28.45 mm |
| December | -5.7 °C | 6.5 °C | 33.27 mm |
| Annual | 3.4 °C | 18 °C | 451.09 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |