Wales, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 31.3 °F (low) to 62.3 °F (high). Annual precipitation averages 11.5 Inches. Wales is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.5 °F | 36.8 °F | 1.04 in. |
| February | 17.7 °F | 42.0 °F | 1.09 in. |
| March | 24.9 °F | 52.4 °F | 1.04 in. |
| April | 29.6 °F | 59.5 °F | 1.13 in. |
| May | 36.6 °F | 69.3 °F | 1.12 in. |
| June | 44.5 °F | 81.3 °F | 0.74 in. |
| July | 52.2 °F | 89.0 °F | 0.64 in. |
| August | 50.7 °F | 87.0 °F | 0.73 in. |
| September | 41.3 °F | 78.4 °F | 0.99 in. |
| October | 30.8 °F | 64.8 °F | 1.05 in. |
| November | 21.2 °F | 50.2 °F | 0.87 in. |
| December | 13.1 °F | 37.2 °F | 1.08 in. |
| Annual | 31.3 °F | 62.3 °F | 11.52 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°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 |