La Sal, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 35.6 °F (low) to 60.2 °F (high). Annual precipitation averages 13.3 Inches. La Sal is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.9 °F | 36.4 °F | 1.0 in. |
| February | 20.2 °F | 40.3 °F | 0.94 in. |
| March | 26.6 °F | 49.8 °F | 0.84 in. |
| April | 32.3 °F | 57.6 °F | 0.9 in. |
| May | 40.6 °F | 68.0 °F | 1.25 in. |
| June | 50.5 °F | 79.9 °F | 0.65 in. |
| July | 57.0 °F | 85.8 °F | 1.33 in. |
| August | 55.9 °F | 83.3 °F | 1.41 in. |
| September | 48.0 °F | 75.0 °F | 1.54 in. |
| October | 36.1 °F | 61.9 °F | 1.5 in. |
| November | 25.4 °F | 47.9 °F | 0.95 in. |
| December | 17.1 °F | 37.0 °F | 1.03 in. |
| Annual | 35.6 °F | 60.2 °F | 13.34 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |