New Harmony, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 38 °F (low) to 66 °F (high). Annual precipitation averages 16.5 Inches. New Harmony is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.4 °F | 44.6 °F | 2.03 in. |
| February | 24.1 °F | 48.1 °F | 2.28 in. |
| March | 29.7 °F | 56.1 °F | 1.89 in. |
| April | 34.6 °F | 62.4 °F | 1.02 in. |
| May | 42.2 °F | 72.2 °F | 0.78 in. |
| June | 51.4 °F | 83.9 °F | 0.42 in. |
| July | 58.9 °F | 89.8 °F | 0.96 in. |
| August | 57.7 °F | 87.8 °F | 1.66 in. |
| September | 49.5 °F | 80.6 °F | 1.3 in. |
| October | 38.0 °F | 67.9 °F | 1.62 in. |
| November | 27.7 °F | 54.5 °F | 1.16 in. |
| December | 20.9 °F | 43.8 °F | 1.42 in. |
| Annual | 38 °F | 66 °F | 16.54 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 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 | BSk - Cold Semi-Arid Climate |