San Miguel, New Mexico has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 49 °F (low) to 79 °F (high). Annual precipitation averages 8.9 Inches. San Miguel is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.1 °F | 59.1 °F | 0.42 in. |
| February | 33.8 °F | 64.4 °F | 0.46 in. |
| March | 40.3 °F | 72.0 °F | 0.25 in. |
| April | 46.8 °F | 79.6 °F | 0.27 in. |
| May | 55.6 °F | 88.4 °F | 0.3 in. |
| June | 65.5 °F | 97.2 °F | 0.83 in. |
| July | 69.4 °F | 96.6 °F | 1.46 in. |
| August | 68.1 °F | 94.3 °F | 1.84 in. |
| September | 61.4 °F | 89.1 °F | 1.29 in. |
| October | 49.4 °F | 80.3 °F | 0.79 in. |
| November | 37.4 °F | 68.3 °F | 0.35 in. |
| December | 30.0 °F | 58.5 °F | 0.68 in. |
| Annual | 49 °F | 79 °F | 8.94 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |