Sells, Arizona has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 54.6 °F (low) to 84.8 °F (high). Annual precipitation averages 13.3 Inches. Sells is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.4 °F | 67.0 °F | 0.97 in. |
| February | 40.0 °F | 69.8 °F | 0.83 in. |
| March | 45.2 °F | 75.7 °F | 0.84 in. |
| April | 50.0 °F | 82.9 °F | 0.24 in. |
| May | 58.3 °F | 91.8 °F | 0.29 in. |
| June | 67.8 °F | 101.5 °F | 0.28 in. |
| July | 74.3 °F | 101.8 °F | 2.84 in. |
| August | 73.4 °F | 99.8 °F | 2.92 in. |
| September | 67.9 °F | 96.7 °F | 1.41 in. |
| October | 56.6 °F | 88.1 °F | 0.69 in. |
| November | 45.2 °F | 76.2 °F | 0.56 in. |
| December | 37.9 °F | 66.3 °F | 1.42 in. |
| Annual | 54.6 °F | 84.8 °F | 13.29 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BWh - Hot Desert Climate |