Layton, Utah has a Humid Continental Climate - Dry Warm Summer climate (Köppen classification: Dsa). Average annual temperatures range from 40.8 °F (low) to 63.5 °F (high). Annual precipitation averages 19.5 Inches. Layton is located in USDA Plant Hardiness Zone 7a. 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 | 21.9 °F | 37.8 °F | 2.04 in. |
| February | 25.5 °F | 43.2 °F | 1.71 in. |
| March | 32.9 °F | 53.6 °F | 2.03 in. |
| April | 38.4 °F | 60.8 °F | 2.35 in. |
| May | 46.6 °F | 70.9 °F | 2.48 in. |
| June | 54.5 °F | 82.0 °F | 1.18 in. |
| July | 63.4 °F | 91.7 °F | 0.55 in. |
| August | 61.8 °F | 90.0 °F | 0.71 in. |
| September | 52.1 °F | 79.5 °F | 1.33 in. |
| October | 40.2 °F | 64.7 °F | 1.83 in. |
| November | 30.3 °F | 49.7 °F | 1.57 in. |
| December | 22.4 °F | 38.0 °F | 1.72 in. |
| Annual | 40.8 °F | 63.5 °F | 19.5 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dsa - Humid Continental Climate - Dry Warm Summer |