Marriott-Slaterville, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.1 °F (low) to 62.7 °F (high). Annual precipitation averages 17.3 Inches. Marriott-Slaterville 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 | 21.4 °F | 36.3 °F | 1.86 in. |
| February | 25.5 °F | 42.1 °F | 1.52 in. |
| March | 33.4 °F | 53.1 °F | 1.76 in. |
| April | 39.4 °F | 60.5 °F | 1.94 in. |
| May | 47.6 °F | 70.5 °F | 2.19 in. |
| June | 55.2 °F | 81.6 °F | 1.03 in. |
| July | 63.3 °F | 91.3 °F | 0.43 in. |
| August | 61.7 °F | 89.3 °F | 0.7 in. |
| September | 52.3 °F | 78.6 °F | 1.23 in. |
| October | 40.7 °F | 63.8 °F | 1.74 in. |
| November | 30.5 °F | 48.7 °F | 1.3 in. |
| December | 22.7 °F | 37.1 °F | 1.62 in. |
| Annual | 41.1 °F | 62.7 °F | 17.32 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 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |