Marysvale, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 31.8 °F (low) to 64.9 °F (high). Annual precipitation averages 8.2 Inches. Marysvale is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.8 °F | 42.0 °F | 0.6 in. |
| February | 19.1 °F | 46.5 °F | 0.64 in. |
| March | 24.8 °F | 55.1 °F | 0.68 in. |
| April | 29.8 °F | 62.0 °F | 0.61 in. |
| May | 37.1 °F | 71.7 °F | 0.75 in. |
| June | 44.8 °F | 83.2 °F | 0.42 in. |
| July | 52.1 °F | 89.4 °F | 0.81 in. |
| August | 50.6 °F | 87.5 °F | 0.82 in. |
| September | 41.7 °F | 79.5 °F | 0.76 in. |
| October | 31.0 °F | 67.1 °F | 0.89 in. |
| November | 21.6 °F | 52.9 °F | 0.58 in. |
| December | 14.3 °F | 41.7 °F | 0.6 in. |
| Annual | 31.8 °F | 64.9 °F | 8.16 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |