Kanab, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 3.8 °C (low) to 21 °C (high). Annual precipitation averages 368.3 Millimeters. Kanab is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.4 °C | 8.9 °C | 42.42 mm |
| February | -3.6 °C | 11.1 °C | 47.5 mm |
| March | -0.6 °C | 15.8 °C | 38.1 mm |
| April | 1.9 °C | 19.7 °C | 22.35 mm |
| May | 6.1 °C | 24.9 °C | 15.75 mm |
| June | 10.7 °C | 31.3 °C | 7.62 mm |
| July | 14.8 °C | 33.9 °C | 23.62 mm |
| August | 14.5 °C | 32.7 °C | 37.34 mm |
| September | 10.2 °C | 28.8 °C | 35.31 mm |
| October | 4.1 °C | 22.1 °C | 37.08 mm |
| November | -1.6 °C | 14.6 °C | 25.4 mm |
| December | -5.4 °C | 8.5 °C | 35.81 mm |
| Annual | 3.8 °C | 21 °C | 368.3 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |