Kearns, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 41.6 °F (low) to 63.8 °F (high). Annual precipitation averages 17.2 Inches. Kearns is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.6 °F | 39.0 °F | 1.49 in. |
| February | 26.3 °F | 44.0 °F | 1.54 in. |
| March | 33.4 °F | 54.1 °F | 1.97 in. |
| April | 38.3 °F | 60.5 °F | 2.22 in. |
| May | 47.0 °F | 70.6 °F | 2.0 in. |
| June | 55.3 °F | 82.0 °F | 0.94 in. |
| July | 64.6 °F | 91.8 °F | 0.86 in. |
| August | 62.8 °F | 90.1 °F | 0.83 in. |
| September | 53.1 °F | 79.3 °F | 1.19 in. |
| October | 41.4 °F | 64.8 °F | 1.33 in. |
| November | 31.1 °F | 50.2 °F | 1.38 in. |
| December | 23.2 °F | 39.4 °F | 1.4 in. |
| Annual | 41.6 °F | 63.8 °F | 17.15 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |