Tierra Amarilla, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -2.1 °C (low) to 15.7 °C (high). Annual precipitation averages 442.2 Millimeters. Tierra Amarilla is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.6 °C | 3.8 °C | 35.56 mm |
| February | -10.4 °C | 5.7 °C | 34.54 mm |
| March | -6.4 °C | 10.2 °C | 30.48 mm |
| April | -3.3 °C | 14.4 °C | 30.23 mm |
| May | 0.8 °C | 19.6 °C | 33.02 mm |
| June | 5.2 °C | 25.8 °C | 17.53 mm |
| July | 9.2 °C | 28.2 °C | 50.55 mm |
| August | 8.8 °C | 26.9 °C | 63.75 mm |
| September | 4.5 °C | 23 °C | 45.21 mm |
| October | -1.7 °C | 16.9 °C | 36.07 mm |
| November | -7.2 °C | 9.6 °C | 30.23 mm |
| December | -11.9 °C | 4 °C | 35.05 mm |
| Annual | -2.1 °C | 15.7 °C | 442.22 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |