Naples, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.5 °F (low) to 61 °F (high). Annual precipitation averages 7.7 Inches. Naples is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.8 °F | 29.5 °F | 0.68 in. |
| February | 15.3 °F | 37.9 °F | 0.49 in. |
| March | 26.0 °F | 52.5 °F | 0.57 in. |
| April | 33.0 °F | 61.2 °F | 0.56 in. |
| May | 41.5 °F | 70.9 °F | 0.99 in. |
| June | 49.9 °F | 82.7 °F | 0.35 in. |
| July | 56.8 °F | 89.7 °F | 0.28 in. |
| August | 54.8 °F | 86.9 °F | 0.71 in. |
| September | 46.0 °F | 78.2 °F | 1.01 in. |
| October | 34.2 °F | 62.9 °F | 0.91 in. |
| November | 23.4 °F | 47.1 °F | 0.45 in. |
| December | 11.9 °F | 31.9 °F | 0.65 in. |
| Annual | 33.5 °F | 61 °F | 7.65 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |