Loa, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 26.4 °F (low) to 60.1 °F (high). Annual precipitation averages 8.4 Inches. Loa is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.8 °F | 39.4 °F | 0.51 in. |
| February | 13.7 °F | 42.6 °F | 0.45 in. |
| March | 20.1 °F | 50.6 °F | 0.54 in. |
| April | 24.9 °F | 57.3 °F | 0.45 in. |
| May | 32.2 °F | 66.3 °F | 0.75 in. |
| June | 39.0 °F | 77.4 °F | 0.49 in. |
| July | 46.0 °F | 83.0 °F | 1.08 in. |
| August | 44.4 °F | 80.4 °F | 1.38 in. |
| September | 38.3 °F | 73.7 °F | 1.07 in. |
| October | 26.1 °F | 61.8 °F | 0.87 in. |
| November | 15.6 °F | 49.7 °F | 0.31 in. |
| December | 8.0 °F | 38.8 °F | 0.51 in. |
| Annual | 26.4 °F | 60.1 °F | 8.41 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |