Chilchinbito, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 39.7 °F (low) to 67.5 °F (high). Annual precipitation averages 8.2 Inches. Chilchinbito is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.7 °F | 43.7 °F | 0.71 in. |
| February | 24.6 °F | 49.1 °F | 0.58 in. |
| March | 30.0 °F | 58.3 °F | 0.55 in. |
| April | 37.4 °F | 65.8 °F | 0.37 in. |
| May | 45.3 °F | 75.8 °F | 0.48 in. |
| June | 54.2 °F | 87.9 °F | 0.37 in. |
| July | 61.8 °F | 91.5 °F | 1.23 in. |
| August | 60.2 °F | 88.7 °F | 1.17 in. |
| September | 52.1 °F | 81.7 °F | 0.95 in. |
| October | 39.8 °F | 69.3 °F | 0.8 in. |
| November | 28.8 °F | 55.0 °F | 0.46 in. |
| December | 21.8 °F | 43.7 °F | 0.53 in. |
| Annual | 39.7 °F | 67.5 °F | 8.2 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |