Mapleton, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.1 °F (low) to 64.1 °F (high). Annual precipitation averages 17.9 Inches. Mapleton 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 | 19.6 °F | 38.0 °F | 1.83 in. |
| February | 23.7 °F | 44.1 °F | 1.66 in. |
| March | 30.7 °F | 54.6 °F | 1.69 in. |
| April | 36.0 °F | 62.1 °F | 2.12 in. |
| May | 43.6 °F | 71.8 °F | 2.02 in. |
| June | 50.9 °F | 83.2 °F | 0.89 in. |
| July | 59.0 °F | 91.5 °F | 0.57 in. |
| August | 58.1 °F | 89.6 °F | 0.74 in. |
| September | 48.7 °F | 79.8 °F | 1.3 in. |
| October | 37.7 °F | 65.5 °F | 1.73 in. |
| November | 28.5 °F | 50.5 °F | 1.54 in. |
| December | 20.9 °F | 38.6 °F | 1.76 in. |
| Annual | 38.1 °F | 64.1 °F | 17.85 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 |