Chama, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -2.8 °C (low) to 14.9 °C (high). Annual precipitation averages 551.2 Millimeters. Chama is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.3 °C | 3.2 °C | 50.55 mm |
| February | -11.3 °C | 5.1 °C | 49.28 mm |
| March | -7.2 °C | 9.4 °C | 39.12 mm |
| April | -3.9 °C | 13.6 °C | 37.59 mm |
| May | 0.2 °C | 18.8 °C | 40.89 mm |
| June | 4.3 °C | 25 °C | 18.8 mm |
| July | 8.3 °C | 27.2 °C | 58.17 mm |
| August | 7.9 °C | 25.9 °C | 71.63 mm |
| September | 3.9 °C | 22.3 °C | 57.4 mm |
| October | -2.2 °C | 16.2 °C | 43.43 mm |
| November | -7.8 °C | 8.9 °C | 39.12 mm |
| December | -12.6 °C | 3.4 °C | 45.21 mm |
| Annual | -2.8 °C | 14.9 °C | 551.19 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°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 |