Sunizona, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 8 °C (low) to 25.8 °C (high). Annual precipitation averages 322.1 Millimeters. Sunizona is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.9 °C | 16.1 °C | 21.59 mm |
| February | 0.6 °C | 18 °C | 18.8 mm |
| March | 3.2 °C | 21.6 °C | 17.02 mm |
| April | 5.9 °C | 25.5 °C | 4.57 mm |
| May | 9.9 °C | 30 °C | 6.1 mm |
| June | 15.7 °C | 35.2 °C | 10.41 mm |
| July | 18.7 °C | 34.4 °C | 69.34 mm |
| August | 18 °C | 33.1 °C | 76.2 mm |
| September | 14.9 °C | 31.6 °C | 35.81 mm |
| October | 8.6 °C | 27.3 °C | 21.08 mm |
| November | 2.7 °C | 20.9 °C | 18.03 mm |
| December | -0.9 °C | 15.8 °C | 23.11 mm |
| Annual | 8 °C | 25.8 °C | 322.06 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |