Chilchinbito, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 4.3 °C (low) to 19.8 °C (high). Annual precipitation averages 208.3 Millimeters. 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 | -6.3 °C | 6.5 °C | 18.03 mm |
| February | -4.1 °C | 9.5 °C | 14.73 mm |
| March | -1.1 °C | 14.6 °C | 13.97 mm |
| April | 3 °C | 18.8 °C | 9.4 mm |
| May | 7.4 °C | 24.3 °C | 12.19 mm |
| June | 12.3 °C | 31.1 °C | 9.4 mm |
| July | 16.6 °C | 33.1 °C | 31.24 mm |
| August | 15.7 °C | 31.5 °C | 29.72 mm |
| September | 11.2 °C | 27.6 °C | 24.13 mm |
| October | 4.3 °C | 20.7 °C | 20.32 mm |
| November | -1.8 °C | 12.8 °C | 11.68 mm |
| December | -5.7 °C | 6.5 °C | 13.46 mm |
| Annual | 4.3 °C | 19.8 °C | 208.27 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |