Antimony, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 29.2 °F (low) to 63.1 °F (high). Annual precipitation averages 7.3 Inches. Antimony 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.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.5 °F | 41.9 °F | 0.25 in. |
| February | 16.2 °F | 45.2 °F | 0.4 in. |
| March | 22.4 °F | 53.5 °F | 0.5 in. |
| April | 27.4 °F | 60.5 °F | 0.34 in. |
| May | 34.4 °F | 69.6 °F | 0.65 in. |
| June | 41.8 °F | 80.8 °F | 0.47 in. |
| July | 49.2 °F | 86.5 °F | 0.93 in. |
| August | 47.4 °F | 84.2 °F | 1.27 in. |
| September | 38.8 °F | 77.5 °F | 1.18 in. |
| October | 29.1 °F | 65.2 °F | 0.67 in. |
| November | 19.0 °F | 51.8 °F | 0.37 in. |
| December | 11.9 °F | 41.0 °F | 0.31 in. |
| Annual | 29.2 °F | 63.1 °F | 7.34 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| 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 | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |