Gamerco, New Mexico has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1.8 °C (low) to 18.4 °C (high). Annual precipitation averages 316 Millimeters. Gamerco is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.9 °C | 6.7 °C | 22.86 mm |
| February | -5.8 °C | 9.1 °C | 24.89 mm |
| March | -3.5 °C | 13.3 °C | 21.08 mm |
| April | 0 °C | 17.4 °C | 15.75 mm |
| May | 4.7 °C | 22.4 °C | 16.76 mm |
| June | 9.4 °C | 29 °C | 7.11 mm |
| July | 13.3 °C | 30.2 °C | 41.66 mm |
| August | 12.7 °C | 28.8 °C | 56.39 mm |
| September | 8.6 °C | 25.6 °C | 35.31 mm |
| October | 1.9 °C | 19.7 °C | 24.89 mm |
| November | -3.8 °C | 12.2 °C | 18.8 mm |
| December | -7.7 °C | 6.9 °C | 30.48 mm |
| Annual | 1.8 °C | 18.4 °C | 315.98 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |