Arroyo Seco, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.5 °F (low) to 60.9 °F (high). Annual precipitation averages 16.2 Inches. Arroyo Seco is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.7 °F | 40.0 °F | 0.92 in. |
| February | 15.8 °F | 43.6 °F | 0.76 in. |
| March | 21.4 °F | 51.8 °F | 1.21 in. |
| April | 27.6 °F | 58.9 °F | 1.08 in. |
| May | 35.4 °F | 68.6 °F | 1.29 in. |
| June | 43.3 °F | 79.1 °F | 0.96 in. |
| July | 49.1 °F | 82.4 °F | 2.36 in. |
| August | 48.1 °F | 79.7 °F | 2.1 in. |
| September | 41.0 °F | 73.7 °F | 1.57 in. |
| October | 29.8 °F | 62.5 °F | 1.65 in. |
| November | 19.8 °F | 50.4 °F | 1.11 in. |
| December | 11.8 °F | 40.4 °F | 1.21 in. |
| Annual | 29.5 °F | 60.9 °F | 16.22 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |