Annabella, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 34 °F (low) to 65.2 °F (high). Annual precipitation averages 8.9 Inches. Annabella 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 | 16.4 °F | 40.8 °F | 0.52 in. |
| February | 21.2 °F | 46.5 °F | 0.54 in. |
| March | 26.8 °F | 56.0 °F | 0.81 in. |
| April | 31.7 °F | 62.9 °F | 0.76 in. |
| May | 39.3 °F | 72.3 °F | 0.99 in. |
| June | 47.4 °F | 83.7 °F | 0.47 in. |
| July | 55.0 °F | 90.7 °F | 0.62 in. |
| August | 53.5 °F | 88.4 °F | 0.92 in. |
| September | 43.9 °F | 80.4 °F | 0.78 in. |
| October | 32.9 °F | 67.3 °F | 1.22 in. |
| November | 23.4 °F | 52.8 °F | 0.56 in. |
| December | 15.9 °F | 40.9 °F | 0.71 in. |
| Annual | 34 °F | 65.2 °F | 8.9 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 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 |