Navajo Mountain, Utah has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 4 °C (low) to 18.7 °C (high). Annual precipitation averages 243.1 Millimeters. 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 | -6.6 °C | 5.1 °C | 31.5 mm |
| February | -4.4 °C | 8.3 °C | 28.19 mm |
| March | -1.3 °C | 13.3 °C | 22.1 mm |
| April | 2.1 °C | 18.1 °C | 10.67 mm |
| May | 7.2 °C | 22.7 °C | 7.37 mm |
| June | 12.7 °C | 29.4 °C | 6.86 mm |
| July | 16.4 °C | 32.1 °C | 9.4 mm |
| August | 15 °C | 31.3 °C | 22.61 mm |
| September | 11.3 °C | 27.2 °C | 37.59 mm |
| October | 4.3 °C | 19.7 °C | 26.67 mm |
| November | -1.8 °C | 11.8 °C | 14.73 mm |
| December | -6.6 °C | 5.3 °C | 25.4 mm |
| Annual | 4 °C | 18.7 °C | 243.09 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |