Sanderson, Texas has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 52.9 °F (low) to 79.4 °F (high). Annual precipitation averages 13.2 Inches. Sanderson is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.5 °F | 61.6 °F | 0.65 in. |
| February | 37.2 °F | 66.2 °F | 0.53 in. |
| March | 44.8 °F | 73.9 °F | 0.55 in. |
| April | 52.0 °F | 81.5 °F | 0.58 in. |
| May | 61.9 °F | 88.4 °F | 1.59 in. |
| June | 69.3 °F | 93.4 °F | 1.6 in. |
| July | 71.2 °F | 93.8 °F | 2.18 in. |
| August | 70.9 °F | 93.9 °F | 1.51 in. |
| September | 64.4 °F | 87.6 °F | 1.59 in. |
| October | 53.5 °F | 79.9 °F | 1.31 in. |
| November | 41.6 °F | 69.7 °F | 0.59 in. |
| December | 34.2 °F | 62.3 °F | 0.49 in. |
| Annual | 52.9 °F | 79.4 °F | 13.17 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |