Apple Valley, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 6.4 °C (low) to 21 °C (high). Annual precipitation averages 351.8 Millimeters. Apple Valley is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3 °C | 8.9 °C | 44.96 mm |
| February | -1.4 °C | 10.8 °C | 45.47 mm |
| March | 1.5 °C | 15.2 °C | 34.8 mm |
| April | 4.2 °C | 19.3 °C | 28.45 mm |
| May | 8.9 °C | 24.8 °C | 9.91 mm |
| June | 13.8 °C | 31.2 °C | 7.37 mm |
| July | 17.9 °C | 34.2 °C | 26.67 mm |
| August | 17.3 °C | 33 °C | 35.56 mm |
| September | 13.3 °C | 29 °C | 27.18 mm |
| October | 6.8 °C | 22.1 °C | 29.97 mm |
| November | 1 °C | 14.6 °C | 23.62 mm |
| December | -3.2 °C | 8.4 °C | 37.85 mm |
| Annual | 6.4 °C | 21 °C | 351.81 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |