Prescott Valley, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 41.3 °F (low) to 70.7 °F (high). Annual precipitation averages 15.5 Inches. Prescott Valley is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.7 °F | 53.1 °F | 1.38 in. |
| February | 28.0 °F | 55.8 °F | 1.59 in. |
| March | 32.6 °F | 61.7 °F | 1.34 in. |
| April | 37.7 °F | 67.8 °F | 0.57 in. |
| May | 45.2 °F | 76.1 °F | 0.33 in. |
| June | 53.9 °F | 86.8 °F | 0.48 in. |
| July | 61.4 °F | 89.7 °F | 2.56 in. |
| August | 60.3 °F | 87.5 °F | 2.25 in. |
| September | 53.1 °F | 82.7 °F | 1.95 in. |
| October | 41.5 °F | 73.2 °F | 0.97 in. |
| November | 31.4 °F | 62.0 °F | 0.8 in. |
| December | 24.9 °F | 52.0 °F | 1.28 in. |
| Annual | 41.3 °F | 70.7 °F | 15.5 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |