Sehili, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 36.2 °F (low) to 62.7 °F (high). Annual precipitation averages 15 Inches. Sehili is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.5 °F | 41.8 °F | 1.63 in. |
| February | 21.8 °F | 45.5 °F | 1.48 in. |
| March | 26.7 °F | 52.7 °F | 1.41 in. |
| April | 32.9 °F | 60.2 °F | 0.87 in. |
| May | 40.8 °F | 69.7 °F | 0.78 in. |
| June | 50.1 °F | 81.8 °F | 0.31 in. |
| July | 56.3 °F | 85.1 °F | 1.71 in. |
| August | 55.6 °F | 82.2 °F | 1.69 in. |
| September | 48.9 °F | 75.6 °F | 1.47 in. |
| October | 37.1 °F | 63.8 °F | 1.1 in. |
| November | 27.3 °F | 51.6 °F | 0.99 in. |
| December | 18.7 °F | 42.3 °F | 1.54 in. |
| Annual | 36.2 °F | 62.7 °F | 14.98 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |