Navajo Mountain, Utah has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 39.3 °F (low) to 65.7 °F (high). Annual precipitation averages 9.6 Inches. Navajo Mountain 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.1 °F | 41.1 °F | 1.24 in. |
| February | 24.0 °F | 47.0 °F | 1.11 in. |
| March | 29.7 °F | 56.0 °F | 0.87 in. |
| April | 35.8 °F | 64.6 °F | 0.42 in. |
| May | 45.0 °F | 72.8 °F | 0.29 in. |
| June | 54.9 °F | 84.9 °F | 0.27 in. |
| July | 61.6 °F | 89.8 °F | 0.37 in. |
| August | 59.0 °F | 88.4 °F | 0.89 in. |
| September | 52.3 °F | 81.0 °F | 1.48 in. |
| October | 39.8 °F | 67.4 °F | 1.05 in. |
| November | 28.8 °F | 53.3 °F | 0.58 in. |
| December | 20.2 °F | 41.5 °F | 1.0 in. |
| Annual | 39.3 °F | 65.7 °F | 9.57 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |