Bluff, Utah has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 41.2 °F (low) to 71.5 °F (high). Annual precipitation averages 7 Inches. Bluff is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.3 °F | 44.7 °F | 0.83 in. |
| February | 25.4 °F | 52.5 °F | 0.6 in. |
| March | 32.3 °F | 63.5 °F | 0.53 in. |
| April | 39.3 °F | 71.7 °F | 0.36 in. |
| May | 48.5 °F | 81.3 °F | 0.48 in. |
| June | 57.3 °F | 93.3 °F | 0.21 in. |
| July | 65.0 °F | 97.2 °F | 0.6 in. |
| August | 63.7 °F | 94.0 °F | 0.67 in. |
| September | 53.7 °F | 85.7 °F | 0.89 in. |
| October | 39.9 °F | 71.9 °F | 0.77 in. |
| November | 27.7 °F | 57.0 °F | 0.48 in. |
| December | 20.8 °F | 44.9 °F | 0.62 in. |
| Annual | 41.2 °F | 71.5 °F | 7.04 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |