White Mesa, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 40.9 °F (low) to 67.6 °F (high). Annual precipitation averages 9.6 Inches. White Mesa is located in USDA Plant Hardiness Zone 7b. 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 | 21.5 °F | 41.9 °F | 1.06 in. |
| February | 25.9 °F | 48.6 °F | 0.98 in. |
| March | 32.2 °F | 58.5 °F | 0.74 in. |
| April | 37.7 °F | 66.1 °F | 0.57 in. |
| May | 46.5 °F | 76.1 °F | 0.66 in. |
| June | 56.6 °F | 88.6 °F | 0.28 in. |
| July | 63.0 °F | 93.2 °F | 0.77 in. |
| August | 61.5 °F | 90.3 °F | 0.89 in. |
| September | 53.3 °F | 82.3 °F | 1.08 in. |
| October | 41.1 °F | 68.9 °F | 0.99 in. |
| November | 29.9 °F | 54.3 °F | 0.68 in. |
| December | 22.1 °F | 42.7 °F | 0.87 in. |
| Annual | 40.9 °F | 67.6 °F | 9.57 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |