Newton, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 34.5 °F (low) to 60.1 °F (high). Annual precipitation averages 16.5 Inches. Newton is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.7 °F | 32.4 °F | 1.8 in. |
| February | 18.8 °F | 37.4 °F | 1.49 in. |
| March | 28.0 °F | 49.5 °F | 1.55 in. |
| April | 33.9 °F | 58.4 °F | 1.77 in. |
| May | 41.2 °F | 67.8 °F | 2.24 in. |
| June | 47.7 °F | 78.8 °F | 1.08 in. |
| July | 54.8 °F | 89.1 °F | 0.55 in. |
| August | 53.5 °F | 88.0 °F | 0.68 in. |
| September | 45.0 °F | 77.4 °F | 1.24 in. |
| October | 34.4 °F | 62.3 °F | 1.5 in. |
| November | 25.4 °F | 46.7 °F | 1.17 in. |
| December | 16.9 °F | 33.9 °F | 1.47 in. |
| Annual | 34.5 °F | 60.1 °F | 16.54 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |