Navajo Dam, New Mexico has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.6 °C (low) to 19.3 °C (high). Annual precipitation averages 327.4 Millimeters. Navajo Dam is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.8 °C | 5.6 °C | 25.4 mm |
| February | -5.6 °C | 8.9 °C | 27.69 mm |
| March | -2.1 °C | 14.3 °C | 22.35 mm |
| April | 1 °C | 18.7 °C | 23.88 mm |
| May | 5.8 °C | 23.9 °C | 19.81 mm |
| June | 10.3 °C | 30.3 °C | 10.41 mm |
| July | 14.7 °C | 32.9 °C | 34.04 mm |
| August | 13.9 °C | 31.4 °C | 42.16 mm |
| September | 9.4 °C | 27.2 °C | 40.64 mm |
| October | 2.4 °C | 19.9 °C | 26.67 mm |
| November | -3.3 °C | 12.2 °C | 25.15 mm |
| December | -7.3 °C | 5.7 °C | 29.21 mm |
| Annual | 2.6 °C | 19.3 °C | 327.41 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |